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@@ -0,0 +1,1453 @@
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+// Licensed to Cloudera, Inc. under one
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+// or more contributor license agreements. See the NOTICE file
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+// distributed with this work for additional information
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+// regarding copyright ownership. Cloudera, Inc. licenses this file
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+// to you under the Apache License, Version 2.0 (the
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+// "License"); you may not use this file except in compliance
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+// with the License. You may obtain a copy of the License at
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+//
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+// http://www.apache.org/licenses/LICENSE-2.0
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+//
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+// Unless required by applicable law or agreed to in writing, software
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+// distributed under the License is distributed on an "AS IS" BASIS,
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+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+// See the License for the specific language governing permissions and
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+// limitations under the License.
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+
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+var SqlParseSupport = (function() {
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+
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+ var initSqlParser = function (parser) {
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+
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+ var SIMPLE_TABLE_REF_SUGGESTIONS = ['suggestJoinConditions', 'suggestAggregateFunctions', 'suggestFilters', 'suggestGroupBys', 'suggestOrderBys'];
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+
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+ parser.prepareNewStatement = function () {
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+ linkTablePrimaries();
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+ parser.commitLocations();
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+
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+ delete parser.yy.lateralViews;
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+ delete parser.yy.latestCommonTableExpressions;
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+ delete parser.yy.correlatedSubQuery;
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+ parser.yy.subQueries = [];
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+ parser.yy.selectListAliases = [];
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+ parser.yy.latestTablePrimaries = [];
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+
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+ parser.parseError = function (message, error) {
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+ parser.yy.errors.push(error);
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+ return message;
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+ };
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+ };
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+
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+ parser.addCommonTableExpressions = function (identifiers) {
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+ parser.yy.result.commonTableExpressions = identifiers;
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+ parser.yy.latestCommonTableExpressions = identifiers;
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+ };
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+
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+ parser.pushQueryState = function () {
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+ parser.yy.resultStack.push(parser.yy.result);
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+ parser.yy.locationsStack.push(parser.yy.locations);
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+ parser.yy.lateralViewsStack.push(parser.yy.lateralViews);
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+ parser.yy.selectListAliasesStack.push(parser.yy.selectListAliases);
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+ parser.yy.primariesStack.push(parser.yy.latestTablePrimaries);
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+ parser.yy.subQueriesStack.push(parser.yy.subQueries);
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+
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+ parser.yy.result = {};
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+ parser.yy.locations = [];
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+ parser.yy.selectListAliases = []; // Not allowed in correlated sub-queries
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+ parser.yy.lateralViews = []; // Not allowed in correlated sub-queries
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+
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+ if (parser.yy.correlatedSubQuery) {
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+ parser.yy.latestTablePrimaries = parser.yy.latestTablePrimaries.concat();
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+ parser.yy.subQueries = parser.yy.subQueries.concat();
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+ } else {
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+ parser.yy.latestTablePrimaries = [];
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+ parser.yy.subQueries = [];
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+ }
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+ };
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+
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+ parser.popQueryState = function (subQuery) {
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+ linkTablePrimaries();
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+ parser.commitLocations();
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+
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+ if (Object.keys(parser.yy.result).length === 0) {
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+ parser.yy.result = parser.yy.resultStack.pop();
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+ } else {
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+ parser.yy.resultStack.pop();
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+ }
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+ var oldSubQueries = parser.yy.subQueries;
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+ parser.yy.subQueries = parser.yy.subQueriesStack.pop();
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+ if (subQuery) {
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+ if (oldSubQueries.length > 0) {
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+ subQuery.subQueries = oldSubQueries;
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+ }
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+ parser.yy.subQueries.push(subQuery);
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+ }
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+
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+ parser.yy.lateralViews = parser.yy.lateralViewsStack.pop();
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+ parser.yy.latestTablePrimaries = parser.yy.primariesStack.pop();
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+ parser.yy.locations = parser.yy.locationsStack.pop();
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+ parser.yy.selectListAliases = parser.yy.selectListAliasesStack.pop();
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+ };
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+
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+ parser.suggestSelectListAliases = function () {
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+ if (parser.yy.selectListAliases && parser.yy.selectListAliases.length > 0 && parser.yy.result.suggestColumns
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+ && (typeof parser.yy.result.suggestColumns.identifierChain === 'undefined' || parser.yy.result.suggestColumns.identifierChain.length === 0)) {
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+ parser.yy.result.suggestColumnAliases = parser.yy.selectListAliases;
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+ }
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+ };
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+
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+ parser.isHive = function () {
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+ return parser.yy.activeDialect === 'hive';
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+ };
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+
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+ parser.isImpala = function () {
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+ return parser.yy.activeDialect === 'impala';
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+ };
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+
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+ parser.mergeSuggestKeywords = function () {
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+ var result = [];
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+ Array.prototype.slice.call(arguments).forEach(function (suggestion) {
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+ if (typeof suggestion !== 'undefined' && typeof suggestion.suggestKeywords !== 'undefined') {
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+ result = result.concat(suggestion.suggestKeywords);
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+ }
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+ });
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+ if (result.length > 0) {
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+ return {suggestKeywords: result};
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+ }
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+ return {};
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+ };
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+
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+ parser.suggestValueExpressionKeywords = function (valueExpression, extras) {
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+ var expressionKeywords = parser.getValueExpressionKeywords(valueExpression, extras);
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+ parser.suggestKeywords(expressionKeywords.suggestKeywords);
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+ if (expressionKeywords.suggestColRefKeywords) {
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+ parser.suggestColRefKeywords(expressionKeywords.suggestColRefKeywords);
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+ }
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+ if (valueExpression.lastType) {
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+ parser.addColRefIfExists(valueExpression.lastType);
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+ } else {
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+ parser.addColRefIfExists(valueExpression);
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+ }
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+ };
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+
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+ parser.getValueExpressionKeywords = function (valueExpression, extras) {
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+ var types = valueExpression.lastType ? valueExpression.lastType.types : valueExpression.types;
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+ // We could have valueExpression.columnReference to suggest based on column type
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+ var keywords = ['<', '<=', '<>', '=', '>', '>=', 'BETWEEN', 'IN', 'IS NOT NULL', 'IS NULL', 'NOT BETWEEN', 'NOT IN'];
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+ if (parser.isHive()) {
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+ keywords.push('<=>');
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+ }
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+ if (extras) {
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+ keywords = keywords.concat(extras);
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+ }
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+ if (valueExpression.suggestKeywords) {
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+ keywords = keywords.concat(valueExpression.suggestKeywords);
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+ }
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+ if (types.length === 1 && types[0] === 'COLREF') {
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+ return {
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+ suggestKeywords: keywords,
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+ suggestColRefKeywords: {
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+ BOOLEAN: ['AND', 'OR'],
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+ NUMBER: ['+', '-', '*', '/', '%'],
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+ STRING: ['LIKE', 'NOT LIKE', 'REGEX', 'RLIKE']
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+ }
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+ }
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+ }
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+ if (SqlFunctions.matchesType(parser.yy.activeDialect, ['BOOLEAN'], types)) {
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+ keywords = keywords.concat(['AND', 'OR']);
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+ }
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+ if (SqlFunctions.matchesType(parser.yy.activeDialect, ['NUMBER'], types)) {
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+ keywords = keywords.concat(['+', '-', '*', '/', '%']);
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+ }
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+ if (SqlFunctions.matchesType(parser.yy.activeDialect, ['STRING'], types)) {
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+ keywords = keywords.concat(['LIKE', 'NOT LIKE', 'REGEX', 'RLIKE']);
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+ }
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+ return {suggestKeywords: keywords};
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+ };
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+
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+ parser.getTypeKeywords = function () {
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+ if (parser.isHive()) {
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+ return ['BIGINT', 'BINARY', 'BOOLEAN', 'CHAR', 'DATE', 'DECIMAL', 'DOUBLE', 'FLOAT', 'INT', 'SMALLINT', 'TIMESTAMP', 'STRING', 'TINYINT', 'VARCHAR'];
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+ }
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+ if (parser.isImpala()) {
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+ return ['BIGINT', 'BOOLEAN', 'CHAR', 'DECIMAL', 'DOUBLE', 'FLOAT', 'INT', 'REAL', 'SMALLINT', 'TIMESTAMP', 'STRING', 'TINYINT', 'VARCHAR'];
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+ }
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+ return ['BIGINT', 'BOOLEAN', 'CHAR', 'DECIMAL', 'DOUBLE', 'FLOAT', 'INT', 'SMALLINT', 'TIMESTAMP', 'STRING', 'TINYINT', 'VARCHAR'];
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+ };
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+
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+ parser.getColumnDataTypeKeywords = function () {
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+ if (parser.isHive()) {
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+ return parser.getTypeKeywords().concat(['ARRAY<>', 'MAP<>', 'STRUCT<>', 'UNIONTYPE<>']);
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+ }
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+ return parser.getTypeKeywords();
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+ };
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+
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+ parser.addColRefIfExists = function (valueExpression) {
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+ if (valueExpression.columnReference) {
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+ parser.yy.result.colRef = {identifierChain: valueExpression.columnReference};
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+ }
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+ };
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+
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+ parser.selectListNoTableSuggest = function (selectListEdit, hasDistinctOrAll) {
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+ if (selectListEdit.cursorAtStart) {
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+ var keywords = [];
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+ if (hasDistinctOrAll) {
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+ keywords = [{ value: '*', weight: 1000 }];
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+ } else {
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+ keywords = [{ value: '*', weight: 1000 }, 'ALL', 'DISTINCT'];
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+ }
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+ if (parser.isImpala()) {
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+ keywords.push('STRAIGHT_JOIN');
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+ }
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+ parser.suggestKeywords(keywords);
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+ } else {
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+ parser.checkForKeywords(selectListEdit);
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+ }
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+ if (selectListEdit.suggestFunctions) {
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+ parser.suggestFunctions();
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+ }
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+ if (selectListEdit.suggestColumns) {
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+ parser.suggestColumns();
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+ }
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+ if (selectListEdit.suggestAggregateFunctions && (!hasDistinctOrAll || hasDistinctOrAll === 'ALL')) {
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+ parser.suggestAggregateFunctions();
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+ parser.suggestAnalyticFunctions();
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+ }
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+ };
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+
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+ parser.suggestJoinConditions = function (details) {
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+ parser.yy.result.suggestJoinConditions = details || {};
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+ if (parser.yy.latestTablePrimaries && !parser.yy.result.suggestJoinConditions.tablePrimaries) {
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+ parser.yy.result.suggestJoinConditions.tablePrimaries = parser.yy.latestTablePrimaries.concat();
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+ }
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+ };
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+
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+ parser.suggestJoins = function (details) {
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+ parser.yy.result.suggestJoins = details || {};
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+ };
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+
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+ parser.valueExpressionSuggest = function (oppositeValueExpression, operator) {
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+ if (oppositeValueExpression && oppositeValueExpression.columnReference) {
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+ parser.suggestValues();
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+ parser.yy.result.colRef = {identifierChain: oppositeValueExpression.columnReference};
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+ }
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+ parser.suggestColumns();
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+ parser.suggestFunctions();
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+ var keywords = ['CASE'];
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+ if (parser.isHive() || typeof oppositeValueExpression === 'undefined' || typeof operator === 'undefined') {
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+ keywords = keywords.concat(['EXISTS', 'NOT']);
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+ }
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+ if (oppositeValueExpression && oppositeValueExpression.types[0] === 'NUMBER') {
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+ parser.applyTypeToSuggestions(['NUMBER']);
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+ } else if (parser.isImpala() && (typeof operator === 'undefined' || operator === '-' || operator === '+')) {
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+ keywords.push('INTERVAL');
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+ }
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+ parser.suggestKeywords(keywords);
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+ };
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+
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+ parser.applyTypeToSuggestions = function (types) {
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+ if (types[0] === 'BOOLEAN') {
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+ return;
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+ }
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+ if (parser.yy.result.suggestFunctions && !parser.yy.result.suggestFunctions.types) {
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+ parser.yy.result.suggestFunctions.types = types;
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+ }
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+ if (parser.yy.result.suggestColumns && !parser.yy.result.suggestColumns.types) {
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+ parser.yy.result.suggestColumns.types = types;
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+ }
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+ };
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+
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+ parser.findCaseType = function (whenThenList) {
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+ var types = {};
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+ whenThenList.caseTypes.forEach(function (valueExpression) {
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+ valueExpression.types.forEach(function (type) {
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+ types[type] = true;
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+ });
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+ });
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+ if (Object.keys(types).length === 1) {
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+ return {types: [Object.keys(types)[0]]};
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+ }
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+ return {types: ['T']};
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+ };
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+
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+ parser.findReturnTypes = function (functionName) {
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+ return SqlFunctions.getReturnTypes(parser.yy.activeDialect, functionName.toLowerCase());
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+ };
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+
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+ parser.applyArgumentTypesToSuggestions = function (functionName, position) {
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+ var foundArguments = SqlFunctions.getArgumentTypes(parser.yy.activeDialect, functionName.toLowerCase(), position);
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+ if (foundArguments.length == 0 && parser.yy.result.suggestColumns) {
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+ delete parser.yy.result.suggestColumns;
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+ delete parser.yy.result.suggestKeyValues;
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+ delete parser.yy.result.suggestValues;
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+ delete parser.yy.result.suggestFunctions;
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+ delete parser.yy.result.suggestIdentifiers;
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+ delete parser.yy.result.suggestKeywords;
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+ } else {
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+ parser.applyTypeToSuggestions(foundArguments);
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+ }
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+ };
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+
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+ parser.commitLocations = function () {
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+ var i = parser.yy.locations.length;
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+ while (i--) {
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+ var location = parser.yy.locations[i];
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+
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+ // Impala can have references to previous tables after FROM, i.e. FROM testTable t, t.testArray
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+ // In this testArray would be marked a type table so we need to switch it to column.
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+ if (location.type === 'table' && typeof location.identifierChain !== 'undefined' && location.identifierChain.length > 1 && parser.yy.latestTablePrimaries) {
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+ var found = parser.yy.latestTablePrimaries.filter(function (primary) {
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+ return primary.alias === location.identifierChain[0].name;
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+ });
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+ if (found.length > 0) {
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+ location.type = 'column';
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+ }
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+ }
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+
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+ if (location.type === 'database' && parser.yy.latestTablePrimaries) {
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+ var foundAlias = parser.yy.latestTablePrimaries.filter(function (primary) {
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+ return primary.alias === location.identifierChain[0].name;
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+ });
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+ if (foundAlias.length > 0) {
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+ // Impala complex reference in FROM clause, i.e. FROM testTable t, t.testMap tm
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+ location.type = 'table';
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+ parser.expandIdentifierChain(location, true);
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+ }
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+ }
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+
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+ if (location.type === 'unknown') {
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+ if (typeof location.identifierChain !== 'undefined' && location.identifierChain.length <= 2 && parser.yy.latestTablePrimaries) {
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+ var found = parser.yy.latestTablePrimaries.filter(function (primary) {
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+ return primary.alias === location.identifierChain[0].name || (primary.identifierChain && primary.identifierChain[0].name === location.identifierChain[0].name);
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+ });
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+ if (found.length > 0) {
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+ if (found[0].identifierChain.length > 1 && location.identifierChain.length === 1 && found[0].identifierChain[0].name === location.identifierChain[0].name) {
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+ location.type = 'database';
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+ } else {
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+ location.type = 'table';
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+ parser.expandIdentifierChain(location, true);
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+ }
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+ } else {
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+ if (parser.yy.subQueries) {
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+ found = parser.yy.subQueries.filter(function (subQuery) {
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+ return subQuery.alias === location.identifierChain[0].name;
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+ });
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+ if (found.length > 0) {
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+ location.type = 'subQuery';
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+ location.identifierChain = [{ subQuery: found[0].alias }];
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+ }
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+ }
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+ }
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+ }
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+ }
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+
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+ if (location.type === 'asterisk' && !location.linked) {
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+ if (parser.yy.latestTablePrimaries && parser.yy.latestTablePrimaries.length > 0) {
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+ location.tables = [];
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+ location.linked = false;
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+ parser.expandIdentifierChain(location, true);
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+ if (location.tables.length === 0) {
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+ parser.yy.locations.splice(i, 1);
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+ }
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+ } else {
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+ parser.yy.locations.splice(i, 1);
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+ }
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+ }
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+
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+ if (location.type === 'unknown') {
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+ location.type = 'column';
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+ }
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+ if (location.type === 'column') {
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+ if (parser.isHive() && !location.linked) {
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+ location.identifierChain = parser.expandLateralViews(parser.yy.lateralViews, location.identifierChain);
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+ }
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+ parser.expandIdentifierChain(location, true);
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+ }
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+
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+ if (location.type === 'table' && (typeof location.identifierChain === 'undefined' || location.identifierChain.length === 0)) {
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+ parser.yy.locations.splice(i, 1);
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+ }
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+ if (location.type === 'column') {
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+ if (typeof location.identifierChain === 'undefined') {
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+ parser.yy.locations.splice(i, 1);
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+ } else if (location.identifierChain.length < 2) {
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+ location.tables = [];
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+ location.linked = false;
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+ parser.expandIdentifierChain(location, true);
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+ if (location.tables.length === 0) {
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+ parser.yy.locations.splice(i, 1);
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+ }
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+ }
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+ }
|
|
|
+ }
|
|
|
+ if (parser.yy.locations.length > 0) {
|
|
|
+ parser.yy.allLocations = parser.yy.allLocations.concat(parser.yy.locations);
|
|
|
+ parser.yy.locations = [];
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ var prioritizeSuggestions = function () {
|
|
|
+ parser.yy.result.lowerCase = parser.yy.lowerCase || false;
|
|
|
+
|
|
|
+ var cteIndex = {};
|
|
|
+
|
|
|
+ if (typeof parser.yy.latestCommonTableExpressions !== 'undefined') {
|
|
|
+ parser.yy.latestCommonTableExpressions.forEach(function (cte) {
|
|
|
+ cteIndex[cte.alias.toLowerCase()] = cte;
|
|
|
+ })
|
|
|
+ }
|
|
|
+
|
|
|
+ SIMPLE_TABLE_REF_SUGGESTIONS.forEach(function (suggestionType) {
|
|
|
+ if (suggestionType !== 'suggestAggregateFunctions' && typeof parser.yy.result[suggestionType] !== 'undefined' && parser.yy.result[suggestionType].tables.length === 0) {
|
|
|
+ delete parser.yy.result[suggestionType];
|
|
|
+ } else if (typeof parser.yy.result[suggestionType] !== 'undefined' && typeof parser.yy.result[suggestionType].tables !== 'undefined') {
|
|
|
+ for (var i = parser.yy.result[suggestionType].tables.length - 1; i >= 0; i--) {
|
|
|
+ var table = parser.yy.result[suggestionType].tables[i];
|
|
|
+ if (table.identifierChain.length === 1 && typeof table.identifierChain[0].name !== 'undefined' && typeof cteIndex[table.identifierChain[0].name] !== 'undefined') {
|
|
|
+ parser.yy.result[suggestionType].tables.splice(i, 1);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ if (typeof parser.yy.result.colRef !== 'undefined') {
|
|
|
+ if (!parser.yy.result.colRef.linked || typeof parser.yy.result.colRef.identifierChain === 'undefined' || parser.yy.result.colRef.identifierChain.length === 0) {
|
|
|
+ delete parser.yy.result.colRef;
|
|
|
+ if (typeof parser.yy.result.suggestColRefKeywords !== 'undefined') {
|
|
|
+ Object.keys(parser.yy.result.suggestColRefKeywords).forEach(function (type) {
|
|
|
+ parser.yy.result.suggestKeywords = parser.yy.result.suggestKeywords.concat(parser.createWeightedKeywords(parser.yy.result.suggestColRefKeywords[type], -1));
|
|
|
+ });
|
|
|
+ delete parser.yy.result.suggestColRefKeywords;
|
|
|
+ }
|
|
|
+ if (parser.yy.result.suggestColumns && parser.yy.result.suggestColumns.types.length === 1 && parser.yy.result.suggestColumns.types[0] === 'COLREF') {
|
|
|
+ parser.yy.result.suggestColumns.types = ['T'];
|
|
|
+ }
|
|
|
+ delete parser.yy.result.suggestValues;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (typeof parser.yy.result.colRef !== 'undefined') {
|
|
|
+ if (!parser.yy.result.suggestValues && !parser.yy.result.suggestColRefKeywords &&
|
|
|
+ (!parser.yy.result.suggestColumns ||
|
|
|
+ parser.yy.result.suggestColumns.types[0] !== 'COLREF')) {
|
|
|
+ delete parser.yy.result.colRef;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (typeof parser.yy.result.suggestIdentifiers !== 'undefined' && parser.yy.result.suggestIdentifiers.length > 0) {
|
|
|
+ delete parser.yy.result.suggestTables;
|
|
|
+ delete parser.yy.result.suggestDatabases;
|
|
|
+ }
|
|
|
+ if (typeof parser.yy.result.suggestColumns !== 'undefined') {
|
|
|
+ var suggestColumns = parser.yy.result.suggestColumns;
|
|
|
+ if (typeof suggestColumns.tables === 'undefined' || suggestColumns.tables.length === 0) {
|
|
|
+ // Impala supports statements like SELECT * FROM tbl1, tbl2 WHERE db.tbl1.col = tbl2.bla
|
|
|
+ if (parser.yy.result.suggestColumns.linked && parser.isImpala() && typeof suggestColumns.identifierChain !== 'undefined' && suggestColumns.identifierChain.length > 0) {
|
|
|
+ if (suggestColumns.identifierChain.length === 1) {
|
|
|
+ parser.yy.result.suggestTables = suggestColumns;
|
|
|
+ delete parser.yy.result.suggestColumns
|
|
|
+ } else {
|
|
|
+ suggestColumns.tables = [{ identifierChain: suggestColumns.identifierChain }];
|
|
|
+ delete suggestColumns.identifierChain;
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ delete parser.yy.result.suggestColumns;
|
|
|
+ delete parser.yy.result.subQueries;
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ delete parser.yy.result.suggestTables;
|
|
|
+ delete parser.yy.result.suggestDatabases;
|
|
|
+
|
|
|
+ suggestColumns.tables.forEach(function (table) {
|
|
|
+ if (typeof table.identifierChain !== 'undefined' && table.identifierChain.length === 1 && typeof table.identifierChain[0].name !== 'undefined') {
|
|
|
+ var cte = cteIndex[table.identifierChain[0].name.toLowerCase()];
|
|
|
+ if (typeof cte !== 'undefined') {
|
|
|
+ delete table.identifierChain[0].name;
|
|
|
+ table.identifierChain[0].cte = cte.alias;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ if (typeof suggestColumns.identifierChain !== 'undefined') {
|
|
|
+ delete suggestColumns.identifierChain;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ delete parser.yy.result.subQueries;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (typeof parser.yy.result.suggestJoinConditions !== 'undefined') {
|
|
|
+ if (typeof parser.yy.result.suggestJoinConditions.tables === 'undefined' || parser.yy.result.suggestJoinConditions.tables.length === 0) {
|
|
|
+ delete parser.yy.result.suggestJoinConditions;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (typeof parser.yy.result.suggestTables !== 'undefined' && typeof parser.yy.latestCommonTableExpressions !== 'undefined') {
|
|
|
+ var ctes = [];
|
|
|
+ parser.yy.latestCommonTableExpressions.forEach(function (cte) {
|
|
|
+ var suggestion = { name: cte.alias };
|
|
|
+ if (parser.yy.result.suggestTables.prependFrom) {
|
|
|
+ suggestion.prependFrom = true
|
|
|
+ }
|
|
|
+ if (parser.yy.result.suggestTables.prependQuestionMark) {
|
|
|
+ suggestion.prependQuestionMark = true;
|
|
|
+ }
|
|
|
+ ctes.push(suggestion);
|
|
|
+ });
|
|
|
+ if (ctes.length > 0) {
|
|
|
+ parser.yy.result.suggestCommonTableExpressions = ctes;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Impala supports referencing maps and arrays in the the table reference list i.e.
|
|
|
+ *
|
|
|
+ * SELECT m['foo'].bar.| FROM someDb.someTable t, t.someMap m;
|
|
|
+ *
|
|
|
+ * From this the tablePrimaries would look like:
|
|
|
+ *
|
|
|
+ * [ { alias: 't', identifierChain: [ { name: 'someDb' }, { name: 'someTable' } ] },
|
|
|
+ * { alias: 'm', identifierChain: [ { name: 't' }, { name: 'someMap' } ] } ]
|
|
|
+ *
|
|
|
+ * with an identifierChain from the select list:
|
|
|
+ *
|
|
|
+ * [ { name: 'm', keySet: true }, { name: 'bar' } ]
|
|
|
+ *
|
|
|
+ * Calling this would return an expanded identifierChain, given the above it would be:
|
|
|
+ *
|
|
|
+ * [ { name: 't' }, { name: 'someMap', keySet: true }, { name: 'bar' } ]
|
|
|
+ */
|
|
|
+ parser.expandImpalaIdentifierChain = function (tablePrimaries, identifierChain) {
|
|
|
+ var expandedChain = identifierChain.concat(); // Clone in case it's called multiple times.
|
|
|
+ if (typeof expandedChain === 'undefined' || expandedChain.length === 0) {
|
|
|
+ return identifierChain;
|
|
|
+ }
|
|
|
+ var expand = function (identifier, expandedChain) {
|
|
|
+ var foundPrimary = tablePrimaries.filter(function (tablePrimary) {
|
|
|
+ return tablePrimary.alias === identifier;
|
|
|
+ });
|
|
|
+
|
|
|
+ if (foundPrimary.length === 1 && foundPrimary[0].identifierChain) {
|
|
|
+ var parentPrimary = tablePrimaries.filter(function (tablePrimary) {
|
|
|
+ return tablePrimary.alias === foundPrimary[0].identifierChain[0].name;
|
|
|
+ });
|
|
|
+ if (parentPrimary.length === 1) {
|
|
|
+ var keySet = expandedChain[0].keySet;
|
|
|
+ var secondPart = expandedChain.slice(1);
|
|
|
+ var firstPart = [];
|
|
|
+ // Clone to make sure we don't add keySet to the primaries
|
|
|
+ foundPrimary[0].identifierChain.forEach(function (identifier) {
|
|
|
+ firstPart.push({name: identifier.name});
|
|
|
+ });
|
|
|
+ if (keySet && firstPart.length > 0) {
|
|
|
+ firstPart[firstPart.length - 1].keySet = true;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (firstPart.length === 0 || typeof secondPart === 'undefined' || secondPart.length === 0) {
|
|
|
+ return firstPart;
|
|
|
+ }
|
|
|
+ var result = firstPart.concat(secondPart);
|
|
|
+ if (result.length > 0) {
|
|
|
+ return expand(firstPart[0].name, result);
|
|
|
+ } else {
|
|
|
+ return result;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return expandedChain;
|
|
|
+ };
|
|
|
+ return expand(expandedChain[0].name, expandedChain);
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.identifyPartials = function (beforeCursor, afterCursor) {
|
|
|
+ var beforeMatch = beforeCursor.match(/[0-9a-zA-Z_]*$/);
|
|
|
+ var afterMatch = afterCursor.match(/^[0-9a-zA-Z_]*(?:\((?:[^)]*\))?)?/);
|
|
|
+ return {left: beforeMatch ? beforeMatch[0].length : 0, right: afterMatch ? afterMatch[0].length : 0};
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.expandLateralViews = function (lateralViews, originalIdentifierChain, columnSuggestion) {
|
|
|
+ var identifierChain = originalIdentifierChain.concat(); // Clone in case it's re-used
|
|
|
+ var firstIdentifier = identifierChain[0];
|
|
|
+ if (typeof lateralViews !== 'undefined') {
|
|
|
+ lateralViews.concat().reverse().forEach(function (lateralView) {
|
|
|
+ if (!lateralView.udtf.expression.columnReference) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ if (firstIdentifier.name === lateralView.tableAlias && identifierChain.length > 1) {
|
|
|
+ identifierChain.shift();
|
|
|
+ firstIdentifier = identifierChain[0];
|
|
|
+ if (columnSuggestion) {
|
|
|
+ delete parser.yy.result.suggestKeywords;
|
|
|
+ }
|
|
|
+ } else if (firstIdentifier.name === lateralView.tableAlias && identifierChain.length === 1 && typeof parser.yy.result.suggestColumns !== 'undefined') {
|
|
|
+ if (columnSuggestion) {
|
|
|
+ if (typeof parser.yy.result.suggestIdentifiers === 'undefined') {
|
|
|
+ parser.yy.result.suggestIdentifiers = [];
|
|
|
+ }
|
|
|
+ lateralView.columnAliases.forEach(function (columnAlias) {
|
|
|
+ parser.yy.result.suggestIdentifiers.push({name: columnAlias, type: 'alias'});
|
|
|
+ });
|
|
|
+ delete parser.yy.result.suggestColumns;
|
|
|
+ delete parser.yy.result.suggestKeywords;
|
|
|
+ }
|
|
|
+ return identifierChain;
|
|
|
+ }
|
|
|
+ if (lateralView.columnAliases.indexOf(firstIdentifier.name) !== -1) {
|
|
|
+ if (lateralView.columnAliases.length === 2 && lateralView.udtf.function.toLowerCase() === 'explode' && firstIdentifier.name === lateralView.columnAliases[0]) {
|
|
|
+ identifierChain[0] = {name: 'key'};
|
|
|
+ } else if (lateralView.columnAliases.length === 2 && lateralView.udtf.function.toLowerCase() === 'explode' && firstIdentifier.name === lateralView.columnAliases[1]) {
|
|
|
+ identifierChain[0] = {name: 'value'};
|
|
|
+ } else {
|
|
|
+ identifierChain[0] = {name: 'item'};
|
|
|
+ }
|
|
|
+ identifierChain = lateralView.udtf.expression.columnReference.concat(identifierChain);
|
|
|
+ firstIdentifier = identifierChain[0];
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+ return identifierChain;
|
|
|
+ };
|
|
|
+
|
|
|
+ var addCleanTablePrimary = function (tables, tablePrimary) {
|
|
|
+ if (tablePrimary.alias) {
|
|
|
+ tables.push({ alias: tablePrimary.alias, identifierChain: tablePrimary.identifierChain });
|
|
|
+ } else {
|
|
|
+ tables.push({ identifierChain: tablePrimary.identifierChain });
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.expandIdentifierChain = function (wrapper, anyOwner) {
|
|
|
+ if (typeof wrapper.identifierChain === 'undefined' || typeof parser.yy.latestTablePrimaries === 'undefined') {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ var identifierChain = wrapper.identifierChain.concat();
|
|
|
+ var tablePrimaries = parser.yy.latestTablePrimaries;
|
|
|
+
|
|
|
+ if (tablePrimaries.length === 0) {
|
|
|
+ delete wrapper.identifierChain;
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (identifierChain.length > 0 && identifierChain[identifierChain.length - 1].asterisk) {
|
|
|
+ var tables = [];
|
|
|
+ tablePrimaries.forEach(function (tablePrimary) {
|
|
|
+ if (identifierChain.length > 1 && !tablePrimary.subQueryAlias) {
|
|
|
+ if (identifierChain.length === 2 && tablePrimary.alias === identifierChain[0].name) {
|
|
|
+ addCleanTablePrimary(tables, tablePrimary);
|
|
|
+ } else if (identifierChain.length === 2 && tablePrimary.identifierChain[0].name === identifierChain[0].name) {
|
|
|
+ addCleanTablePrimary(tables, tablePrimary);
|
|
|
+ } else if (identifierChain.length === 3 && tablePrimary.identifierChain.length > 1 &&
|
|
|
+ tablePrimary.identifierChain[0].name === identifierChain[0].name &&
|
|
|
+ tablePrimary.identifierChain[1].name === identifierChain[1].name) {
|
|
|
+ addCleanTablePrimary(tables, tablePrimary);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ if (tablePrimary.subQueryAlias) {
|
|
|
+ tables.push({ identifierChain: [{ subQuery: tablePrimary.subQueryAlias }]});
|
|
|
+ } else {
|
|
|
+ addCleanTablePrimary(tables, tablePrimary);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ });
|
|
|
+ // Possible Joins
|
|
|
+ if (tables.length > 0) {
|
|
|
+ wrapper.tables = tables;
|
|
|
+ delete wrapper.identifierChain;
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!anyOwner) {
|
|
|
+ tablePrimaries = filterTablePrimariesForOwner(wrapper.owner);
|
|
|
+ }
|
|
|
+ // Impala can have references to maps or array, i.e. FROM table t, t.map m
|
|
|
+ // We need to replace those in the identifierChain
|
|
|
+ if (parser.isImpala()) {
|
|
|
+ var lengthBefore = identifierChain.length;
|
|
|
+ identifierChain = parser.expandImpalaIdentifierChain(tablePrimaries, identifierChain);
|
|
|
+ // Change type of any locations marked as table
|
|
|
+ if (wrapper.type === 'table' && identifierChain.length > lengthBefore) {
|
|
|
+ wrapper.type = 'column';
|
|
|
+ }
|
|
|
+ wrapper.identifierChain = identifierChain;
|
|
|
+ }
|
|
|
+ // Expand exploded views in the identifier chain
|
|
|
+ if (parser.isHive() && identifierChain.length > 0) {
|
|
|
+ identifierChain = parser.expandLateralViews(parser.yy.lateralViews, identifierChain);
|
|
|
+ wrapper.identifierChain = identifierChain;
|
|
|
+ }
|
|
|
+
|
|
|
+ // IdentifierChain contains a possibly started identifier or empty, example: a.b.c = ['a', 'b', 'c']
|
|
|
+ // Reduce the tablePrimaries to the one that matches the first identifier if found
|
|
|
+ var foundPrimary;
|
|
|
+ var doubleMatch = false;
|
|
|
+ if (identifierChain.length > 0) {
|
|
|
+ for (var i = 0; i < tablePrimaries.length; i++) {
|
|
|
+ if (tablePrimaries[i].subQueryAlias) {
|
|
|
+ if (tablePrimaries[i].subQueryAlias === identifierChain[0].name) {
|
|
|
+ foundPrimary = tablePrimaries[i];
|
|
|
+ }
|
|
|
+ } else if (tablePrimaries[i].alias === identifierChain[0].name) {
|
|
|
+ foundPrimary = tablePrimaries[i];
|
|
|
+ break;
|
|
|
+ } else if (tablePrimaries[i].identifierChain.length > 1 && identifierChain.length > 1 &&
|
|
|
+ tablePrimaries[i].identifierChain[0].name === identifierChain[0].name &&
|
|
|
+ tablePrimaries[i].identifierChain[1].name === identifierChain[1].name) {
|
|
|
+ foundPrimary = tablePrimaries[i];
|
|
|
+ doubleMatch = true;
|
|
|
+ break;
|
|
|
+ } else if (!foundPrimary && tablePrimaries[i].identifierChain[0].name === identifierChain[0].name) {
|
|
|
+ foundPrimary = tablePrimaries[i];
|
|
|
+ // No break as first two can still match.
|
|
|
+ } else if (!foundPrimary && tablePrimaries[i].identifierChain.length > 1
|
|
|
+ && tablePrimaries[i].identifierChain[tablePrimaries[i].identifierChain.length - 1].name === identifierChain[0].name) {
|
|
|
+ // This is for the case SELECT baa. FROM bla.baa, blo.boo;
|
|
|
+ foundPrimary = tablePrimaries[i];
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (foundPrimary) {
|
|
|
+ identifierChain.shift();
|
|
|
+ if (doubleMatch) {
|
|
|
+ identifierChain.shift();
|
|
|
+ }
|
|
|
+ } else if (tablePrimaries.length === 1) {
|
|
|
+ foundPrimary = tablePrimaries[0];
|
|
|
+ }
|
|
|
+
|
|
|
+ if (foundPrimary) {
|
|
|
+ if (foundPrimary.subQueryAlias) {
|
|
|
+ identifierChain.unshift({ subQuery: foundPrimary.subQueryAlias });
|
|
|
+ } else {
|
|
|
+ identifierChain = foundPrimary.identifierChain.concat(identifierChain);
|
|
|
+ }
|
|
|
+ if (wrapper.tables) {
|
|
|
+ wrapper.tables.push({ identifierChain: identifierChain });
|
|
|
+ delete wrapper.identifierChain;
|
|
|
+ } else {
|
|
|
+ wrapper.identifierChain = identifierChain;
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ tablePrimaries.forEach(function (tablePrimary) {
|
|
|
+ var targetTable = { identifierChain: tablePrimary.identifierChain };
|
|
|
+ if (tablePrimary.alias) {
|
|
|
+ targetTable.alias = tablePrimary.alias;
|
|
|
+ }
|
|
|
+ if (wrapper.tables) {
|
|
|
+ wrapper.tables.push(targetTable)
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ delete wrapper.owner;
|
|
|
+ wrapper.linked = true;
|
|
|
+ };
|
|
|
+
|
|
|
+ var suggestLateralViewAliasesAsIdentifiers = function () {
|
|
|
+ if (typeof parser.yy.lateralViews === 'undefined' || parser.yy.lateralViews.length === 0) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ if (typeof parser.yy.result.suggestIdentifiers === 'undefined') {
|
|
|
+ parser.yy.result.suggestIdentifiers = [];
|
|
|
+ }
|
|
|
+ parser.yy.lateralViews.forEach(function (lateralView) {
|
|
|
+ if (typeof lateralView.tableAlias !== 'undefined') {
|
|
|
+ parser.yy.result.suggestIdentifiers.push({name: lateralView.tableAlias + '.', type: 'alias'});
|
|
|
+ }
|
|
|
+ lateralView.columnAliases.forEach(function (columnAlias) {
|
|
|
+ parser.yy.result.suggestIdentifiers.push({name: columnAlias, type: 'alias'});
|
|
|
+ });
|
|
|
+ });
|
|
|
+ if (parser.yy.result.suggestIdentifiers.length === 0) {
|
|
|
+ delete parser.yy.result.suggestIdentifiers;
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ var filterTablePrimariesForOwner = function (owner) {
|
|
|
+ var result = [];
|
|
|
+ parser.yy.latestTablePrimaries.forEach(function (primary) {
|
|
|
+ if (typeof owner === 'undefined' && typeof primary.owner === 'undefined') {
|
|
|
+ result.push(primary);
|
|
|
+ } else if (owner === primary.owner) {
|
|
|
+ result.push(primary);
|
|
|
+ }
|
|
|
+ });
|
|
|
+ return result;
|
|
|
+ };
|
|
|
+
|
|
|
+ var convertTablePrimariesToSuggestions = function (tablePrimaries) {
|
|
|
+ var tables = [];
|
|
|
+ var identifiers = [];
|
|
|
+ tablePrimaries.forEach(function (tablePrimary) {
|
|
|
+ if (tablePrimary.identifierChain && tablePrimary.identifierChain.length > 0) {
|
|
|
+ var table = { identifierChain: tablePrimary.identifierChain };
|
|
|
+ if (tablePrimary.alias) {
|
|
|
+ table.alias = tablePrimary.alias;
|
|
|
+ identifiers.push({ name: table.alias + '.', type: 'alias' });
|
|
|
+ if (parser.isImpala()) {
|
|
|
+ var testForImpalaAlias = [{ name: table.alias }];
|
|
|
+ var result = parser.expandImpalaIdentifierChain(tablePrimaries, testForImpalaAlias);
|
|
|
+ if (result.length > 1) {
|
|
|
+ // Continue if it's a reference to a complex type
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ var lastIdentifier = tablePrimary.identifierChain[tablePrimary.identifierChain.length - 1];
|
|
|
+ if (typeof lastIdentifier.name !== 'undefined') {
|
|
|
+ identifiers.push({ name: lastIdentifier.name + '.', type: 'table' });
|
|
|
+ } else if (typeof lastIdentifier.subQuery !== 'undefined') {
|
|
|
+ identifiers.push({ name: lastIdentifier.subQuery + '.', type: 'sub-query' });
|
|
|
+ }
|
|
|
+ }
|
|
|
+ tables.push(table);
|
|
|
+ } else if (tablePrimary.subQueryAlias) {
|
|
|
+ identifiers.push({ name: tablePrimary.subQueryAlias + '.', type: 'sub-query' });
|
|
|
+ tables.push({ identifierChain: [{ subQuery: tablePrimary.subQueryAlias }] });
|
|
|
+ }
|
|
|
+ });
|
|
|
+ if (identifiers.length > 0) {
|
|
|
+ if (typeof parser.yy.result.suggestIdentifiers === 'undefined') {
|
|
|
+ parser.yy.result.suggestIdentifiers = identifiers;
|
|
|
+ } else {
|
|
|
+ parser.yy.result.suggestIdentifiers = identifiers.concat(parser.yy.result.suggestIdentifiers);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ parser.yy.result.suggestColumns.tables = tables;
|
|
|
+ if (parser.yy.result.suggestColumns.identifierChain && parser.yy.result.suggestColumns.identifierChain.length == 0) {
|
|
|
+ delete parser.yy.result.suggestColumns.identifierChain;
|
|
|
+ }
|
|
|
+ parser.yy.result.suggestColumns.linked = true;
|
|
|
+ };
|
|
|
+
|
|
|
+ var linkTablePrimaries = function () {
|
|
|
+ if (!parser.yy.cursorFound || typeof parser.yy.latestTablePrimaries === 'undefined') {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ SIMPLE_TABLE_REF_SUGGESTIONS.forEach(function (suggestionType) {
|
|
|
+ if (typeof parser.yy.result[suggestionType] !== 'undefined' && parser.yy.result[suggestionType].tablePrimaries && !parser.yy.result[suggestionType].linked) {
|
|
|
+ parser.yy.result[suggestionType].tables = [];
|
|
|
+ parser.yy.result[suggestionType].tablePrimaries.forEach(function (tablePrimary) {
|
|
|
+ if (!tablePrimary.subQueryAlias) {
|
|
|
+ parser.yy.result[suggestionType].tables.push(tablePrimary.alias ? { identifierChain: tablePrimary.identifierChain.concat(), alias: tablePrimary.alias } : { identifierChain: tablePrimary.identifierChain.concat() });
|
|
|
+ }
|
|
|
+ });
|
|
|
+ delete parser.yy.result[suggestionType].tablePrimaries;
|
|
|
+ parser.yy.result[suggestionType].linked = true;
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ if (typeof parser.yy.result.suggestColumns !== 'undefined' && !parser.yy.result.suggestColumns.linked) {
|
|
|
+ var tablePrimaries = filterTablePrimariesForOwner(parser.yy.result.suggestColumns.owner);
|
|
|
+ if (!parser.yy.result.suggestColumns.tables) {
|
|
|
+ parser.yy.result.suggestColumns.tables = [];
|
|
|
+ }
|
|
|
+ if (parser.yy.subQueries.length > 0) {
|
|
|
+ parser.yy.result.subQueries = parser.yy.subQueries;
|
|
|
+ }
|
|
|
+ if (typeof parser.yy.result.suggestColumns.identifierChain === 'undefined' || parser.yy.result.suggestColumns.identifierChain.length === 0) {
|
|
|
+ if (tablePrimaries.length > 1) {
|
|
|
+ convertTablePrimariesToSuggestions(tablePrimaries);
|
|
|
+ } else {
|
|
|
+ suggestLateralViewAliasesAsIdentifiers();
|
|
|
+ if (tablePrimaries.length == 1 && (tablePrimaries[0].alias || tablePrimaries[0].subQueryAlias)) {
|
|
|
+ convertTablePrimariesToSuggestions(tablePrimaries);
|
|
|
+ }
|
|
|
+ parser.expandIdentifierChain(parser.yy.result.suggestColumns);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ // Expand exploded views in the identifier chain
|
|
|
+ if (parser.isHive() && !parser.yy.result.suggestColumns.linked) {
|
|
|
+ var originalLength = parser.yy.result.suggestColumns.identifierChain.length;
|
|
|
+ parser.yy.result.suggestColumns.identifierChain = parser.expandLateralViews(parser.yy.lateralViews, parser.yy.result.suggestColumns.identifierChain, true);
|
|
|
+ // Drop '*' keyword for lateral views
|
|
|
+ if (typeof parser.yy.result.suggestColumns !== 'undefined') {
|
|
|
+ if (parser.yy.result.suggestColumns.identifierChain.length > originalLength &&
|
|
|
+ typeof parser.yy.result.suggestKeywords !== 'undefined' &&
|
|
|
+ parser.yy.result.suggestKeywords.length === 1 &&
|
|
|
+ parser.yy.result.suggestKeywords[0].value === '*') {
|
|
|
+ delete parser.yy.result.suggestKeywords;
|
|
|
+ }
|
|
|
+ parser.expandIdentifierChain(parser.yy.result.suggestColumns);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ parser.expandIdentifierChain(parser.yy.result.suggestColumns);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (typeof parser.yy.result.colRef !== 'undefined' && !parser.yy.result.colRef.linked) {
|
|
|
+ parser.expandIdentifierChain(parser.yy.result.colRef);
|
|
|
+
|
|
|
+ var primaries = filterTablePrimariesForOwner();
|
|
|
+ if (primaries.length === 0 || (primaries.length > 1 && parser.yy.result.colRef.identifierChain.length === 1)) {
|
|
|
+ parser.yy.result.colRef.identifierChain = [];
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (typeof parser.yy.result.suggestKeyValues !== 'undefined' && !parser.yy.result.suggestKeyValues.linked) {
|
|
|
+ parser.expandIdentifierChain(parser.yy.result.suggestKeyValues);
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.getSubQuery = function (cols) {
|
|
|
+ var columns = [];
|
|
|
+ cols.selectList.forEach(function (col) {
|
|
|
+ var result = {};
|
|
|
+ if (col.alias) {
|
|
|
+ result.alias = col.alias;
|
|
|
+ }
|
|
|
+ if (col.valueExpression && col.valueExpression.columnReference) {
|
|
|
+ result.identifierChain = col.valueExpression.columnReference
|
|
|
+ } else if (col.asterisk) {
|
|
|
+ result.identifierChain = [{asterisk: true}];
|
|
|
+ }
|
|
|
+ if (col.valueExpression && col.valueExpression.types && col.valueExpression.types.length === 1) {
|
|
|
+ result.type = col.valueExpression.types[0];
|
|
|
+ }
|
|
|
+
|
|
|
+ columns.push(result);
|
|
|
+ });
|
|
|
+
|
|
|
+ return {
|
|
|
+ columns: columns
|
|
|
+ };
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.addTablePrimary = function (ref) {
|
|
|
+ if (typeof parser.yy.latestTablePrimaries === 'undefined') {
|
|
|
+ parser.yy.latestTablePrimaries = [];
|
|
|
+ }
|
|
|
+ parser.yy.latestTablePrimaries.push(ref);
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.suggestFileFormats = function () {
|
|
|
+ if (parser.isHive()) {
|
|
|
+ parser.suggestKeywords(['AVRO', 'INPUTFORMAT', 'ORC', 'PARQUET', 'RCFILE', 'SEQUENCEFILE', 'TEXTFILE']);
|
|
|
+ } else {
|
|
|
+ parser.suggestKeywords(['AVRO', 'KUDU', 'PARQUET', 'RCFILE', 'SEQUENCEFILE', 'TEXTFILE']);
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.getKeywordsForOptionalsLR = function (optionals, keywords, override) {
|
|
|
+ var result = [];
|
|
|
+
|
|
|
+ for (var i = 0; i < optionals.length; i++) {
|
|
|
+ if (!optionals[i] && (typeof override === 'undefined' || override[i])) {
|
|
|
+ if (keywords[i] instanceof Array) {
|
|
|
+ result = result.concat(keywords[i]);
|
|
|
+ } else {
|
|
|
+ result.push(keywords[i]);
|
|
|
+ }
|
|
|
+ } else if (optionals[i]) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return result;
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.suggestDdlAndDmlKeywords = function (extraKeywords) {
|
|
|
+ var keywords = ['ALTER', 'CREATE', 'DESCRIBE', 'DROP', 'GRANT', 'INSERT', 'REVOKE', 'SELECT', 'SET', 'SHOW', 'TRUNCATE', 'UPDATE', 'USE', 'WITH'];
|
|
|
+
|
|
|
+ if (extraKeywords) {
|
|
|
+ keywords = keywords.concat(extraKeywords);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (parser.isHive()) {
|
|
|
+ keywords = keywords.concat(['ANALYZE TABLE', 'DELETE', 'EXPORT', 'IMPORT', 'LOAD', 'MSCK', 'RELOAD FUNCTION', 'RESET']);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (parser.isImpala()) {
|
|
|
+ keywords = keywords.concat(['COMPUTE', 'INVALIDATE METADATA', 'LOAD', 'REFRESH']);
|
|
|
+ }
|
|
|
+
|
|
|
+ parser.suggestKeywords(keywords);
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.checkForSelectListKeywords = function (selectList) {
|
|
|
+ if (selectList.length === 0) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ var last = selectList[selectList.length - 1];
|
|
|
+ if (!last || !last.valueExpression) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ var valueExpressionKeywords = parser.getValueExpressionKeywords(last.valueExpression);
|
|
|
+ var keywords = [];
|
|
|
+ if (last.suggestKeywords) {
|
|
|
+ keywords = keywords.concat(last.suggestKeywords);
|
|
|
+ }
|
|
|
+ if (valueExpressionKeywords.suggestKeywords) {
|
|
|
+ keywords = keywords.concat(valueExpressionKeywords.suggestKeywords);
|
|
|
+ }
|
|
|
+ if (valueExpressionKeywords.suggestColRefKeywords) {
|
|
|
+ parser.suggestColRefKeywords(valueExpressionKeywords.suggestColRefKeywords);
|
|
|
+ parser.addColRefIfExists(last.valueExpression);
|
|
|
+ }
|
|
|
+ if (!last.alias) {
|
|
|
+ keywords.push('AS');
|
|
|
+ }
|
|
|
+ if (keywords.length > 0) {
|
|
|
+ parser.suggestKeywords(keywords);
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.checkForKeywords = function (expression) {
|
|
|
+ if (expression) {
|
|
|
+ if (expression.suggestKeywords && expression.suggestKeywords.length > 0) {
|
|
|
+ parser.suggestKeywords(expression.suggestKeywords);
|
|
|
+ }
|
|
|
+ if (expression.suggestColRefKeywords) {
|
|
|
+ parser.suggestColRefKeywords(expression.suggestColRefKeywords);
|
|
|
+ parser.addColRefIfExists(expression);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.createWeightedKeywords = function (keywords, weight) {
|
|
|
+ var result = [];
|
|
|
+ keywords.forEach(function (keyword) {
|
|
|
+ if (typeof keyword.weight !== 'undefined') {
|
|
|
+ keyword.weight = weight + (keyword.weight / 10);
|
|
|
+ result.push(keyword);
|
|
|
+ } else {
|
|
|
+ result.push({value: keyword, weight: weight });
|
|
|
+ }
|
|
|
+ });
|
|
|
+ return result;
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.suggestKeywords = function (keywords) {
|
|
|
+ var weightedKeywords = [];
|
|
|
+ if (keywords.length == 0) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ keywords.forEach(function (keyword) {
|
|
|
+ if (typeof keyword.weight !== 'undefined') {
|
|
|
+ weightedKeywords.push(keyword);
|
|
|
+ } else {
|
|
|
+ weightedKeywords.push({ value: keyword, weight: -1 })
|
|
|
+ }
|
|
|
+ });
|
|
|
+ weightedKeywords.sort(function (a, b) {
|
|
|
+ if (a.weight !== b.weight) {
|
|
|
+ return b.weight - a.weight;
|
|
|
+ }
|
|
|
+ return a.value.localeCompare(b.value);
|
|
|
+ });
|
|
|
+ parser.yy.result.suggestKeywords = weightedKeywords;
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.suggestColRefKeywords = function (colRefKeywords) {
|
|
|
+ parser.yy.result.suggestColRefKeywords = colRefKeywords;
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.suggestTablesOrColumns = function (identifier) {
|
|
|
+ if (typeof parser.yy.latestTablePrimaries == 'undefined') {
|
|
|
+ parser.suggestTables({ identifierChain: [{ name: identifier }] });
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ var tableRef = parser.yy.latestTablePrimaries.filter(function (tablePrimary) {
|
|
|
+ return tablePrimary.alias === identifier;
|
|
|
+ });
|
|
|
+ if (tableRef.length > 0) {
|
|
|
+ parser.suggestColumns({identifierChain: [{ name: identifier }]});
|
|
|
+ } else {
|
|
|
+ parser.suggestTables({ identifierChain: [{ name: identifier }] });
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.suggestFunctions = function (details) {
|
|
|
+ parser.yy.result.suggestFunctions = details || {};
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.suggestAggregateFunctions = function () {
|
|
|
+ var primaries = [];
|
|
|
+ var aliases = {};
|
|
|
+ parser.yy.latestTablePrimaries.forEach(function (primary) {
|
|
|
+ if (typeof primary.alias !== 'undefined') {
|
|
|
+ aliases[primary.alias] = true;
|
|
|
+ }
|
|
|
+ // Drop if the first one refers to a table alias (...FROM tbl t, t.map tm ...)
|
|
|
+ if (typeof primary.identifierChain !== 'undefined' && !aliases[primary.identifierChain[0].name] && typeof primary.owner === 'undefined') {
|
|
|
+ primaries.push(primary);
|
|
|
+ }
|
|
|
+ });
|
|
|
+ parser.yy.result.suggestAggregateFunctions = { tablePrimaries: primaries };
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.suggestAnalyticFunctions = function () {
|
|
|
+ parser.yy.result.suggestAnalyticFunctions = true;
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.suggestColumns = function (details) {
|
|
|
+ if (typeof details === 'undefined') {
|
|
|
+ details = {identifierChain: []};
|
|
|
+ } else if (typeof details.identifierChain === 'undefined') {
|
|
|
+ details.identifierChain = [];
|
|
|
+ }
|
|
|
+ parser.yy.result.suggestColumns = details;
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.suggestGroupBys = function (details) {
|
|
|
+ parser.yy.result.suggestGroupBys = details || {};
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.suggestOrderBys = function (details) {
|
|
|
+ parser.yy.result.suggestOrderBys = details || {};
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.suggestFilters = function (details) {
|
|
|
+ parser.yy.result.suggestFilters = details || {};
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.suggestKeyValues = function (details) {
|
|
|
+ parser.yy.result.suggestKeyValues = details || {};
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.suggestTables = function (details) {
|
|
|
+ parser.yy.result.suggestTables = details || {};
|
|
|
+ };
|
|
|
+
|
|
|
+ var adjustLocationForCursor = function (location) {
|
|
|
+ // columns are 0-based and lines not, so add 1 to cols
|
|
|
+ var newLocation = {
|
|
|
+ first_line: location.first_line,
|
|
|
+ last_line: location.last_line,
|
|
|
+ first_column: location.first_column + 1,
|
|
|
+ last_column: location.last_column + 1
|
|
|
+ };
|
|
|
+ if (parser.yy.cursorFound) {
|
|
|
+ if (parser.yy.cursorFound.first_line === newLocation.first_line && parser.yy.cursorFound.last_column <= newLocation.first_column) {
|
|
|
+ var additionalSpace = parser.yy.partialLengths.left + parser.yy.partialLengths.right;
|
|
|
+ additionalSpace -= parser.yy.partialCursor ? 1 : 3; // For some reason the normal cursor eats 3 positions.
|
|
|
+ newLocation.first_column = newLocation.first_column + additionalSpace;
|
|
|
+ newLocation.last_column = newLocation.last_column + additionalSpace;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return newLocation;
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.addFunctionLocation = function (location, functionName) {
|
|
|
+ // Remove trailing '(' from location
|
|
|
+ var adjustedLocation = {
|
|
|
+ first_line: location.first_line,
|
|
|
+ last_line: location.last_line,
|
|
|
+ first_column: location.first_column,
|
|
|
+ last_column: location.last_column - 1
|
|
|
+ };
|
|
|
+ parser.yy.locations.push({
|
|
|
+ type: 'function',
|
|
|
+ location: adjustLocationForCursor(adjustedLocation),
|
|
|
+ function: functionName.toLowerCase()
|
|
|
+ });
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.addStatementLocation = function (location) {
|
|
|
+ // Don't report lonely cursor as a statement
|
|
|
+ if (location.first_line === location.last_line && Math.abs(location.last_column - location.first_column) === 1) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ var adjustedLocation;
|
|
|
+ if (parser.yy.cursorFound && parser.yy.cursorFound.last_line === location.last_line &&
|
|
|
+ parser.yy.cursorFound.first_column >= location.first_column && parser.yy.cursorFound.last_column <= location.last_column) {
|
|
|
+ var additionalSpace = parser.yy.partialLengths.left + parser.yy.partialLengths.right;
|
|
|
+ adjustedLocation = {
|
|
|
+ first_line: location.first_line,
|
|
|
+ last_line: location.last_line,
|
|
|
+ first_column: location.first_column + 1,
|
|
|
+ last_column: location.last_column + additionalSpace - (parser.yy.partialCursor ? 0 : 2)
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ adjustedLocation = {
|
|
|
+ first_line: location.first_line,
|
|
|
+ last_line: location.last_line,
|
|
|
+ first_column: location.first_column + 1,
|
|
|
+ last_column: location.last_column + 1
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ parser.yy.locations.push({
|
|
|
+ type: 'statement',
|
|
|
+ location: adjustedLocation
|
|
|
+ });
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.addHdfsLocation = function (location, path) {
|
|
|
+ parser.yy.locations.push({
|
|
|
+ type: 'hdfs',
|
|
|
+ location: adjustLocationForCursor(location),
|
|
|
+ path: path
|
|
|
+ });
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.addDatabaseLocation = function (location, identifierChain) {
|
|
|
+ parser.yy.locations.push({
|
|
|
+ type: 'database',
|
|
|
+ location: adjustLocationForCursor(location),
|
|
|
+ identifierChain: identifierChain
|
|
|
+ });
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.addTableLocation = function (location, identifierChain) {
|
|
|
+ parser.yy.locations.push({
|
|
|
+ type: 'table',
|
|
|
+ location: adjustLocationForCursor(location),
|
|
|
+ identifierChain: identifierChain
|
|
|
+ });
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.addAsteriskLocation = function (location, identifierChain) {
|
|
|
+ parser.yy.locations.push({
|
|
|
+ type: 'asterisk',
|
|
|
+ location: adjustLocationForCursor(location),
|
|
|
+ identifierChain: identifierChain
|
|
|
+ });
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.addColumnLocation = function (location, identifierChain) {
|
|
|
+ parser.yy.locations.push({
|
|
|
+ type: 'column',
|
|
|
+ location: adjustLocationForCursor(location),
|
|
|
+ identifierChain: identifierChain
|
|
|
+ });
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.addUnknownLocation = function (location, identifierChain) {
|
|
|
+ parser.yy.locations.push({
|
|
|
+ type: 'unknown',
|
|
|
+ location: adjustLocationForCursor(location),
|
|
|
+ identifierChain: identifierChain
|
|
|
+ });
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.suggestDatabases = function (details) {
|
|
|
+ parser.yy.result.suggestDatabases = details || {};
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.suggestHdfs = function (details) {
|
|
|
+ parser.yy.result.suggestHdfs = details || {};
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.suggestValues = function (details) {
|
|
|
+ parser.yy.result.suggestValues = details || {};
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.determineCase = function (text) {
|
|
|
+ if (!parser.yy.caseDetermined) {
|
|
|
+ parser.yy.lowerCase = text.toLowerCase() === text;
|
|
|
+ parser.yy.caseDetermined = true;
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.handleQuotedValueWithCursor = function(lexer, yytext, yylloc, quoteChar) {
|
|
|
+ if (yytext.indexOf('\u2020') !== -1 || yytext.indexOf('\u2021') !== -1) {
|
|
|
+ parser.yy.partialCursor = yytext.indexOf('\u2021') !== -1;
|
|
|
+ var cursorIndex = parser.yy.partialCursor ? yytext.indexOf('\u2021') : yytext.indexOf('\u2020');
|
|
|
+ parser.yy.cursorFound = {
|
|
|
+ first_line: yylloc.first_line,
|
|
|
+ last_line: yylloc.last_line,
|
|
|
+ first_column: yylloc.first_column + cursorIndex,
|
|
|
+ last_column: yylloc.first_column + cursorIndex + 1
|
|
|
+ };
|
|
|
+ var remainder = yytext.substring(cursorIndex + 1);
|
|
|
+ var remainingQuotes = (lexer.upcomingInput().match(new RegExp(quoteChar, 'g')) || []).length;
|
|
|
+ if (remainingQuotes > 0 && remainingQuotes & 1 != 0) {
|
|
|
+ parser.yy.missingEndQuote = false;
|
|
|
+ lexer.input();
|
|
|
+ } else {
|
|
|
+ parser.yy.missingEndQuote = true;
|
|
|
+ lexer.unput(remainder);
|
|
|
+ }
|
|
|
+ lexer.popState();
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ return false;
|
|
|
+ };
|
|
|
+
|
|
|
+ var lexerModified = false;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Main parser function
|
|
|
+ */
|
|
|
+ parser.parseSql = function (beforeCursor, afterCursor, dialect, debug) {
|
|
|
+ // Jison counts CRLF as two lines in the locations
|
|
|
+ beforeCursor = beforeCursor.replace(/\r\n|\n\r/gm, '\n');
|
|
|
+ afterCursor = afterCursor.replace(/\r\n|\n\r/gm, '\n');
|
|
|
+ parser.yy.result = {locations: []};
|
|
|
+ parser.yy.lowerCase = false;
|
|
|
+ parser.yy.locations = [];
|
|
|
+ parser.yy.allLocations = [];
|
|
|
+ parser.yy.subQueries = [];
|
|
|
+ parser.yy.errors = [];
|
|
|
+ parser.yy.selectListAliases = [];
|
|
|
+
|
|
|
+ parser.yy.locationsStack = [];
|
|
|
+ parser.yy.primariesStack = [];
|
|
|
+ parser.yy.lateralViewsStack = [];
|
|
|
+ parser.yy.subQueriesStack = [];
|
|
|
+ parser.yy.resultStack = [];
|
|
|
+ parser.yy.selectListAliasesStack = [];
|
|
|
+
|
|
|
+ delete parser.yy.caseDetermined;
|
|
|
+ delete parser.yy.cursorFound;
|
|
|
+ delete parser.yy.partialCursor;
|
|
|
+
|
|
|
+ parser.prepareNewStatement();
|
|
|
+
|
|
|
+ var REASONABLE_SURROUNDING_LENGTH = 150000; // About 3000 lines before and after
|
|
|
+
|
|
|
+ if (beforeCursor.length > REASONABLE_SURROUNDING_LENGTH) {
|
|
|
+ if ((beforeCursor.length - beforeCursor.lastIndexOf(';')) > REASONABLE_SURROUNDING_LENGTH) {
|
|
|
+ // Bail out if the last complete statement is more than 150000 chars before
|
|
|
+ return {};
|
|
|
+ }
|
|
|
+ // Cut it at the first statement found within 150000 chars before
|
|
|
+ var lastReasonableChunk = beforeCursor.substring(beforeCursor.length - REASONABLE_SURROUNDING_LENGTH);
|
|
|
+ beforeCursor = lastReasonableChunk.substring(lastReasonableChunk.indexOf(';') + 1);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (afterCursor.length > REASONABLE_SURROUNDING_LENGTH) {
|
|
|
+ if ((afterCursor.length - afterCursor.indexOf(';')) > REASONABLE_SURROUNDING_LENGTH) {
|
|
|
+ // No need to bail out for what's comes after, we can still get keyword completion
|
|
|
+ afterCursor = '';
|
|
|
+ } else {
|
|
|
+ // Cut it at the last statement found within 150000 chars after
|
|
|
+ var firstReasonableChunk = afterCursor.substring(0, REASONABLE_SURROUNDING_LENGTH);
|
|
|
+ afterCursor = firstReasonableChunk.substring(0, firstReasonableChunk.lastIndexOf(';'));
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ parser.yy.partialLengths = parser.identifyPartials(beforeCursor, afterCursor);
|
|
|
+
|
|
|
+ if (parser.yy.partialLengths.left > 0) {
|
|
|
+ beforeCursor = beforeCursor.substring(0, beforeCursor.length - parser.yy.partialLengths.left);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (parser.yy.partialLengths.right > 0) {
|
|
|
+ afterCursor = afterCursor.substring(parser.yy.partialLengths.right);
|
|
|
+ }
|
|
|
+
|
|
|
+ parser.yy.activeDialect = (dialect !== 'hive' && dialect !== 'impala') ? undefined : dialect;
|
|
|
+
|
|
|
+ // Hack to set the inital state of the lexer without first having to hit a token
|
|
|
+ // has to be done as the first token found can be dependant on dialect
|
|
|
+ if (!lexerModified) {
|
|
|
+ var originalSetInput = parser.lexer.setInput;
|
|
|
+ parser.lexer.setInput = function (input, yy) {
|
|
|
+ var lexer = originalSetInput.bind(parser.lexer)(input, yy);
|
|
|
+ if (typeof parser.yy.activeDialect !== 'undefined') {
|
|
|
+ lexer.begin(parser.yy.activeDialect);
|
|
|
+ }
|
|
|
+ return lexer;
|
|
|
+ };
|
|
|
+ lexerModified = true;
|
|
|
+ }
|
|
|
+
|
|
|
+ var result;
|
|
|
+ try {
|
|
|
+ // Add |CURSOR| or |PARTIAL_CURSOR| to represent the different cursor states in the lexer
|
|
|
+ result = parser.parse(beforeCursor + (beforeCursor.length == 0 || /[\s\(]$$/.test(beforeCursor) ? ' \u2020 ' : '\u2021') + afterCursor);
|
|
|
+ } catch (err) {
|
|
|
+ // On any error try to at least return any existing result
|
|
|
+ if (typeof parser.yy.result === 'undefined') {
|
|
|
+ throw err;
|
|
|
+ }
|
|
|
+ if (debug) {
|
|
|
+ console.log(err);
|
|
|
+ console.error(err.stack);
|
|
|
+ }
|
|
|
+ result = parser.yy.result;
|
|
|
+ }
|
|
|
+ if (parser.yy.errors.length > 0) {
|
|
|
+ parser.yy.result.errors = parser.yy.errors;
|
|
|
+ if (debug) {
|
|
|
+ console.log(parser.yy.errors);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ try {
|
|
|
+ linkTablePrimaries();
|
|
|
+ parser.commitLocations();
|
|
|
+ // Clean up and prioritize
|
|
|
+ prioritizeSuggestions();
|
|
|
+ } catch (err) {
|
|
|
+ if (debug) {
|
|
|
+ console.log(err);
|
|
|
+ console.error(err.stack);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ parser.yy.allLocations.sort(function (a, b) {
|
|
|
+ if (a.location.first_line !== b.location.first_line) {
|
|
|
+ return a.location.first_line - b.location.first_line;
|
|
|
+ }
|
|
|
+ return a.location.first_column - b.location.first_column;
|
|
|
+ });
|
|
|
+ parser.yy.result.locations = parser.yy.allLocations;
|
|
|
+
|
|
|
+ parser.yy.result.locations.forEach(function (location) {
|
|
|
+ delete location.linked;
|
|
|
+ });
|
|
|
+ if (typeof parser.yy.result.suggestColumns !== 'undefined') {
|
|
|
+ delete parser.yy.result.suggestColumns.linked;
|
|
|
+ }
|
|
|
+
|
|
|
+ SIMPLE_TABLE_REF_SUGGESTIONS.forEach(function (suggestionType) {
|
|
|
+ if (typeof parser.yy.result[suggestionType] !== 'undefined') {
|
|
|
+ delete parser.yy.result[suggestionType].linked;
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ if (typeof parser.yy.result.colRef !== 'undefined') {
|
|
|
+ delete parser.yy.result.colRef.linked;
|
|
|
+ }
|
|
|
+ if (typeof parser.yy.result.suggestKeyValues !== 'undefined') {
|
|
|
+ delete parser.yy.result.suggestKeyValues.linked;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (typeof result.error !== 'undefined' && typeof result.error.expected !== 'undefined') {
|
|
|
+ // Remove any expected tokens from other dialects, jison doesn't remove tokens from other lexer states.
|
|
|
+ var actualExpected = {};
|
|
|
+ result.error.expected.forEach(function (expected) {
|
|
|
+ var match = expected.match(/\<([a-z]+)\>(.*)/);
|
|
|
+ if (match !== null) {
|
|
|
+ if (typeof parser.yy.activeDialect !== 'undefined' && parser.yy.activeDialect === match[1]) {
|
|
|
+ actualExpected[("'" + match[2])] = true;
|
|
|
+ }
|
|
|
+ } else if (expected.indexOf('CURSOR') == -1) {
|
|
|
+ actualExpected[expected] = true;
|
|
|
+ }
|
|
|
+ });
|
|
|
+ result.error.expected = Object.keys(actualExpected);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (typeof result.error !== 'undefined' && result.error.recoverable) {
|
|
|
+ delete result.error;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Adjust all the statement locations to include white space surrounding them
|
|
|
+ var lastStatementLocation = null;
|
|
|
+ result.locations.forEach(function (location) {
|
|
|
+ if (location.type === 'statement') {
|
|
|
+ if (lastStatementLocation === null) {
|
|
|
+ location.location.first_line = 1;
|
|
|
+ location.location.first_column = 1;
|
|
|
+ } else {
|
|
|
+ location.location.first_line = lastStatementLocation.location.last_line;
|
|
|
+ location.location.first_column = lastStatementLocation.location.last_column + 1;
|
|
|
+ }
|
|
|
+ lastStatementLocation = location;
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ return result;
|
|
|
+ };
|
|
|
+ };
|
|
|
+
|
|
|
+ return {
|
|
|
+ initSqlParser: initSqlParser
|
|
|
+ };
|
|
|
+})();
|