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@@ -0,0 +1,1466 @@
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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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+import { matchesType } from 'sql/reference/typeUtils';
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+import {
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+ initSharedAutocomplete,
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+ initSyntaxParser,
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+ identifierEquals,
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+ equalIgnoreCase,
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+ SIMPLE_TABLE_REF_SUGGESTIONS
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+} from 'parse/sql/sqlParseUtils';
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+
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+const initSqlParser = function (parser) {
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+ initSharedAutocomplete(parser);
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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.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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+ prioritizeSuggestions();
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+ };
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+
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+ parser.yy.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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+ 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.isInSubquery = function () {
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+ return !!parser.yy.primariesStack.length;
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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.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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+
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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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+ const 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.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 (
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+ parser.yy.selectListAliases &&
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+ parser.yy.selectListAliases.length > 0 &&
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+ parser.yy.result.suggestColumns &&
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+ (typeof parser.yy.result.suggestColumns.identifierChain === 'undefined' ||
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+ parser.yy.result.suggestColumns.identifierChain.length === 0)
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+ ) {
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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.mergeSuggestKeywords = function () {
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+ let result = [];
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+ Array.prototype.slice.call(arguments).forEach(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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+ const 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.getSelectListKeywords = function (excludeAsterisk) {
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+ const keywords = [{ value: 'CASE', weight: 450 }, 'FALSE', 'TRUE', 'NULL'];
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+ if (!excludeAsterisk) {
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+ keywords.push({ value: '*', weight: 10000 });
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+ }
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+ return keywords;
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+ };
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+
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+ parser.getValueExpressionKeywords = function (valueExpression, extras) {
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+ const 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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+ let keywords = [
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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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+ '>=',
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+ 'BETWEEN',
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+ 'IN',
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+ 'IS NOT NULL',
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+ 'IS NULL',
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+ 'IS NOT TRUE',
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+ 'IS TRUE',
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+ 'IS NOT FALSE',
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+ 'IS FALSE',
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+ 'NOT BETWEEN',
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+ 'NOT IN'
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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: ['+', '-', '*', '/', '%', 'DIV'],
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+ STRING: ['LIKE', 'NOT LIKE', 'REGEXP', 'RLIKE']
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+ }
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+ };
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+ }
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+ if (matchesType(parser.yy.activeDialect, ['BOOLEAN'], types)) {
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+ keywords = keywords.concat(['AND', 'OR']);
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+ }
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+ if (matchesType(parser.yy.activeDialect, ['NUMBER'], types)) {
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+ keywords = keywords.concat(['+', '-', '*', '/', '%', 'DIV']);
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+ }
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+ if (matchesType(parser.yy.activeDialect, ['STRING'], types)) {
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+ keywords = keywords.concat(['LIKE', 'NOT LIKE', 'REGEXP', '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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+ return [
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+ 'BIGINT',
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+ 'BOOLEAN',
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+ 'CHAR',
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+ 'DECIMAL',
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+ 'DOUBLE',
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+ 'FLOAT',
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+ 'INT',
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+ 'SMALLINT',
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+ 'TIMESTAMP',
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+ 'STRING',
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+ 'TINYINT',
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+ 'VARCHAR'
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+ ];
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+ };
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+
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+ parser.getColumnDataTypeKeywords = function () {
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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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+ let keywords = parser.getSelectListKeywords();
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+ if (!hasDistinctOrAll) {
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+ keywords = keywords.concat([
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+ { value: 'ALL', weight: 2 },
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+ { value: 'DISTINCT', weight: 2 }
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+ ]);
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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 (
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+ selectListEdit.suggestAggregateFunctions &&
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+ (!hasDistinctOrAll || hasDistinctOrAll === 'ALL')
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+ ) {
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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.findCaseType = function (whenThenList) {
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+ const types = {};
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+ whenThenList.caseTypes.forEach(valueExpression => {
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+ valueExpression.types.forEach(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.applyArgumentTypesToSuggestions = function (functionName, position) {
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+ if (parser.yy.result.suggestFunctions || parser.yy.result.suggestColumns) {
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+ parser.yy.result.udfArgument = {
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+ name: functionName.toLowerCase(),
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+ position: position
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+ };
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+ }
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+ };
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+
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+ parser.commitLocations = function () {
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+ if (parser.yy.locations.length === 0) {
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+ return;
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+ }
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+
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+ const tablePrimaries = parser.yy.latestTablePrimaries;
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+
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+ let i = parser.yy.locations.length;
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+
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+ while (i--) {
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+ const location = parser.yy.locations[i];
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+ if (location.type === 'variable' && location.colRef) {
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+ parser.expandIdentifierChain({
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+ wrapper: location.colRef,
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+ tablePrimaries: tablePrimaries,
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+ isColumnWrapper: true
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+ });
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+ delete location.colRef.linked;
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+ }
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+
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+ if (location.type === 'unknown') {
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+ if (
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+ typeof location.identifierChain !== 'undefined' &&
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+ location.identifierChain.length > 0 &&
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+ location.identifierChain.length <= 2 &&
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+ tablePrimaries
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+ ) {
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+ let found = tablePrimaries.filter(primary => {
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+ return (
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+ equalIgnoreCase(primary.alias, location.identifierChain[0].name) ||
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+ (primary.identifierChain &&
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+ equalIgnoreCase(primary.identifierChain[0].name, location.identifierChain[0].name))
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+ );
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+ });
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+ if (!found.length && location.firstInChain) {
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+ found = tablePrimaries.filter(primary => {
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+ return (
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+ !primary.alias &&
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+ primary.identifierChain &&
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+ equalIgnoreCase(
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+ primary.identifierChain[primary.identifierChain.length - 1].name,
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+ location.identifierChain[0].name
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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 (found.length) {
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+ if (
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+ found[0].identifierChain.length > 1 &&
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+ location.identifierChain.length === 1 &&
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+ equalIgnoreCase(found[0].identifierChain[0].name, location.identifierChain[0].name)
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+ ) {
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+ location.type = 'database';
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+ } else if (
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+ found[0].alias &&
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+ equalIgnoreCase(location.identifierChain[0].name, found[0].alias) &&
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+ location.identifierChain.length > 1
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+ ) {
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+ location.type = 'column';
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+ parser.expandIdentifierChain({
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+ tablePrimaries: tablePrimaries,
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+ wrapper: location,
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+ anyOwner: true
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+ });
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+ } else if (
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+ !found[0].alias &&
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+ found[0].identifierChain &&
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+ equalIgnoreCase(
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+ location.identifierChain[0].name,
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+ found[0].identifierChain[found[0].identifierChain.length - 1].name
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+ ) &&
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+ location.identifierChain.length > 1
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+ ) {
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+ location.type = 'column';
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+ parser.expandIdentifierChain({
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+ tablePrimaries: tablePrimaries,
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+ wrapper: location,
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+ anyOwner: true
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+ });
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+ } else {
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+ location.type = 'table';
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+ parser.expandIdentifierChain({
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+ tablePrimaries: tablePrimaries,
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+ wrapper: location,
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+ anyOwner: true
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+ });
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+ }
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+ } else if (parser.yy.subQueries) {
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+ found = parser.yy.subQueries.filter(subQuery => {
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+ return equalIgnoreCase(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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+ if (location.type === 'asterisk' && !location.linked) {
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+ if (tablePrimaries && tablePrimaries.length > 0) {
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+ location.tables = [];
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+ location.linked = false;
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+ if (!location.identifierChain) {
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+ location.identifierChain = [{ asterisk: true }];
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+ }
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+ parser.expandIdentifierChain({
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+ tablePrimaries: tablePrimaries,
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+ wrapper: location,
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+ anyOwner: false
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+ });
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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 (
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+ location.type === 'table' &&
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+ typeof location.identifierChain !== 'undefined' &&
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+ location.identifierChain.length === 1 &&
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+ location.identifierChain[0].name
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+ ) {
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+ // Could be a cte reference
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+ parser.yy.locations.some(otherLocation => {
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+ if (
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+ otherLocation.type === 'alias' &&
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+ otherLocation.source === 'cte' &&
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+ identifierEquals(otherLocation.alias, location.identifierChain[0].name)
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+ ) {
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+ // TODO: Possibly add the other location if we want to show the link in the future.
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+ // i.e. highlight select definition on hover over alias, also for subquery references.
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+ location.type = 'alias';
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+ location.target = 'cte';
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+ location.alias = location.identifierChain[0].name;
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+ delete location.identifierChain;
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+ return 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)
|
|
|
+ ) {
|
|
|
+ parser.yy.locations.splice(i, 1);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (location.type === 'unknown') {
|
|
|
+ location.type = 'column';
|
|
|
+ }
|
|
|
+
|
|
|
+ // A column location might refer to a previously defined alias, i.e. last 'foo' in "SELECT cast(id AS int) foo FROM tbl ORDER BY foo;"
|
|
|
+ if (location.type === 'column') {
|
|
|
+ for (let j = i - 1; j >= 0; j--) {
|
|
|
+ const otherLocation = parser.yy.locations[j];
|
|
|
+ if (
|
|
|
+ otherLocation.type === 'alias' &&
|
|
|
+ otherLocation.source === 'column' &&
|
|
|
+ location.identifierChain &&
|
|
|
+ location.identifierChain.length === 1 &&
|
|
|
+ location.identifierChain[0].name &&
|
|
|
+ otherLocation.alias &&
|
|
|
+ location.identifierChain[0].name.toLowerCase() === otherLocation.alias.toLowerCase()
|
|
|
+ ) {
|
|
|
+ location.type = 'alias';
|
|
|
+ location.source = 'column';
|
|
|
+ location.alias = location.identifierChain[0].name;
|
|
|
+ delete location.identifierChain;
|
|
|
+ location.parentLocation = otherLocation.parentLocation;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (location.type === 'column') {
|
|
|
+ const initialIdentifierChain = location.identifierChain
|
|
|
+ ? location.identifierChain.concat()
|
|
|
+ : undefined;
|
|
|
+
|
|
|
+ parser.expandIdentifierChain({
|
|
|
+ tablePrimaries: tablePrimaries,
|
|
|
+ wrapper: location,
|
|
|
+ anyOwner: true,
|
|
|
+ isColumnWrapper: true,
|
|
|
+ isColumnLocation: true
|
|
|
+ });
|
|
|
+
|
|
|
+ if (typeof location.identifierChain === 'undefined') {
|
|
|
+ parser.yy.locations.splice(i, 1);
|
|
|
+ } else if (
|
|
|
+ location.identifierChain.length === 0 &&
|
|
|
+ initialIdentifierChain &&
|
|
|
+ initialIdentifierChain.length === 1
|
|
|
+ ) {
|
|
|
+ // This is for the case "SELECT tblOrColName FROM db.tblOrColName";
|
|
|
+ location.identifierChain = initialIdentifierChain;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (location.type === 'column' && location.identifierChain) {
|
|
|
+ if (location.identifierChain.length > 1 && location.tables && location.tables.length > 0) {
|
|
|
+ location.type = 'complex';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ delete location.firstInChain;
|
|
|
+ if (location.type !== 'column' && location.type !== 'complex') {
|
|
|
+ delete location.qualified;
|
|
|
+ } else if (typeof location.qualified === 'undefined') {
|
|
|
+ location.qualified = false;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (parser.yy.locations.length > 0) {
|
|
|
+ parser.yy.allLocations = parser.yy.allLocations.concat(parser.yy.locations);
|
|
|
+ parser.yy.locations = [];
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ const prioritizeSuggestions = function () {
|
|
|
+ parser.yy.result.lowerCase = parser.yy.lowerCase || false;
|
|
|
+
|
|
|
+ const cteIndex = {};
|
|
|
+
|
|
|
+ if (typeof parser.yy.latestCommonTableExpressions !== 'undefined') {
|
|
|
+ parser.yy.latestCommonTableExpressions.forEach(cte => {
|
|
|
+ cteIndex[cte.alias.toLowerCase()] = cte;
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ SIMPLE_TABLE_REF_SUGGESTIONS.forEach(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 (let i = parser.yy.result[suggestionType].tables.length - 1; i >= 0; i--) {
|
|
|
+ const table = parser.yy.result[suggestionType].tables[i];
|
|
|
+ if (
|
|
|
+ table.identifierChain.length === 1 &&
|
|
|
+ typeof table.identifierChain[0].name !== 'undefined' &&
|
|
|
+ typeof cteIndex[table.identifierChain[0].name.toLowerCase()] !== '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(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') {
|
|
|
+ const suggestColumns = parser.yy.result.suggestColumns;
|
|
|
+ if (typeof suggestColumns.tables === 'undefined' || suggestColumns.tables.length === 0) {
|
|
|
+ delete parser.yy.result.suggestColumns;
|
|
|
+ delete parser.yy.result.subQueries;
|
|
|
+ } else {
|
|
|
+ delete parser.yy.result.suggestTables;
|
|
|
+ delete parser.yy.result.suggestDatabases;
|
|
|
+
|
|
|
+ suggestColumns.tables.forEach(table => {
|
|
|
+ if (
|
|
|
+ typeof table.identifierChain !== 'undefined' &&
|
|
|
+ table.identifierChain.length === 1 &&
|
|
|
+ typeof table.identifierChain[0].name !== 'undefined'
|
|
|
+ ) {
|
|
|
+ const cte = cteIndex[table.identifierChain[0].name.toLowerCase()];
|
|
|
+ if (typeof cte !== 'undefined') {
|
|
|
+ delete table.identifierChain[0].name;
|
|
|
+ table.identifierChain[0].cte = cte.alias;
|
|
|
+ }
|
|
|
+ } else if (typeof table.identifierChain === 'undefined' && table.subQuery) {
|
|
|
+ table.identifierChain = [{ subQuery: table.subQuery }];
|
|
|
+ delete table.subQuery;
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ if (
|
|
|
+ typeof suggestColumns.identifierChain !== 'undefined' &&
|
|
|
+ suggestColumns.identifierChain.length === 0
|
|
|
+ ) {
|
|
|
+ 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.result.commonTableExpressions !== 'undefined'
|
|
|
+ ) {
|
|
|
+ const ctes = [];
|
|
|
+ parser.yy.result.commonTableExpressions.forEach(cte => {
|
|
|
+ const 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;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.identifyPartials = function (beforeCursor, afterCursor) {
|
|
|
+ const beforeMatch = beforeCursor.match(/[0-9a-zA-Z_]*$/);
|
|
|
+ const afterMatch = afterCursor.match(/^[0-9a-zA-Z_]*(?:\((?:[^)]*\))?)?/);
|
|
|
+ return {
|
|
|
+ left: beforeMatch ? beforeMatch[0].length : 0,
|
|
|
+ right: afterMatch ? afterMatch[0].length : 0
|
|
|
+ };
|
|
|
+ };
|
|
|
+
|
|
|
+ const addCleanTablePrimary = function (tables, tablePrimary) {
|
|
|
+ if (tablePrimary.alias) {
|
|
|
+ tables.push({ alias: tablePrimary.alias, identifierChain: tablePrimary.identifierChain });
|
|
|
+ } else {
|
|
|
+ tables.push({ identifierChain: tablePrimary.identifierChain });
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.expandIdentifierChain = function (options) {
|
|
|
+ const wrapper = options.wrapper;
|
|
|
+ const anyOwner = options.anyOwner;
|
|
|
+ const isColumnWrapper = options.isColumnWrapper;
|
|
|
+ const isColumnLocation = options.isColumnLocation;
|
|
|
+ let tablePrimaries = options.tablePrimaries || parser.yy.latestTablePrimaries;
|
|
|
+
|
|
|
+ if (typeof wrapper.identifierChain === 'undefined' || typeof tablePrimaries === 'undefined') {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ let identifierChain = wrapper.identifierChain.concat();
|
|
|
+
|
|
|
+ if (tablePrimaries.length === 0) {
|
|
|
+ delete wrapper.identifierChain;
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!anyOwner) {
|
|
|
+ tablePrimaries = filterTablePrimariesForOwner(tablePrimaries, wrapper.owner);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (identifierChain.length > 0 && identifierChain[identifierChain.length - 1].asterisk) {
|
|
|
+ const tables = [];
|
|
|
+ tablePrimaries.forEach(tablePrimary => {
|
|
|
+ if (identifierChain.length > 1 && !tablePrimary.subQueryAlias) {
|
|
|
+ if (
|
|
|
+ identifierChain.length === 2 &&
|
|
|
+ equalIgnoreCase(tablePrimary.alias, identifierChain[0].name)
|
|
|
+ ) {
|
|
|
+ addCleanTablePrimary(tables, tablePrimary);
|
|
|
+ } else if (
|
|
|
+ identifierChain.length === 2 &&
|
|
|
+ equalIgnoreCase(tablePrimary.identifierChain[0].name, identifierChain[0].name)
|
|
|
+ ) {
|
|
|
+ addCleanTablePrimary(tables, tablePrimary);
|
|
|
+ } else if (
|
|
|
+ identifierChain.length === 3 &&
|
|
|
+ tablePrimary.identifierChain.length > 1 &&
|
|
|
+ equalIgnoreCase(tablePrimary.identifierChain[0].name, identifierChain[0].name) &&
|
|
|
+ equalIgnoreCase(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;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ // 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
|
|
|
+ let foundPrimary;
|
|
|
+ let doubleMatch = false;
|
|
|
+ let aliasMatch = false;
|
|
|
+ if (identifierChain.length > 0) {
|
|
|
+ for (let i = 0; i < tablePrimaries.length; i++) {
|
|
|
+ if (tablePrimaries[i].subQueryAlias) {
|
|
|
+ if (equalIgnoreCase(tablePrimaries[i].subQueryAlias, identifierChain[0].name)) {
|
|
|
+ foundPrimary = tablePrimaries[i];
|
|
|
+ }
|
|
|
+ } else if (equalIgnoreCase(tablePrimaries[i].alias, identifierChain[0].name)) {
|
|
|
+ foundPrimary = tablePrimaries[i];
|
|
|
+ aliasMatch = true;
|
|
|
+ break;
|
|
|
+ } else if (
|
|
|
+ tablePrimaries[i].identifierChain.length > 1 &&
|
|
|
+ identifierChain.length > 1 &&
|
|
|
+ equalIgnoreCase(tablePrimaries[i].identifierChain[0].name, identifierChain[0].name) &&
|
|
|
+ equalIgnoreCase(tablePrimaries[i].identifierChain[1].name, identifierChain[1].name)
|
|
|
+ ) {
|
|
|
+ foundPrimary = tablePrimaries[i];
|
|
|
+ doubleMatch = true;
|
|
|
+ break;
|
|
|
+ } else if (
|
|
|
+ !foundPrimary &&
|
|
|
+ equalIgnoreCase(tablePrimaries[i].identifierChain[0].name, identifierChain[0].name) &&
|
|
|
+ identifierChain.length > (isColumnLocation ? 1 : 0)
|
|
|
+ ) {
|
|
|
+ foundPrimary = tablePrimaries[i];
|
|
|
+ // No break as first two can still match.
|
|
|
+ } else if (
|
|
|
+ !foundPrimary &&
|
|
|
+ tablePrimaries[i].identifierChain.length > 1 &&
|
|
|
+ !tablePrimaries[i].alias &&
|
|
|
+ equalIgnoreCase(
|
|
|
+ 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 && !isColumnWrapper) {
|
|
|
+ foundPrimary = tablePrimaries[0];
|
|
|
+ }
|
|
|
+
|
|
|
+ if (foundPrimary) {
|
|
|
+ if (isColumnWrapper) {
|
|
|
+ wrapper.identifierChain = identifierChain;
|
|
|
+ if (foundPrimary.subQueryAlias) {
|
|
|
+ wrapper.tables = [{ subQuery: foundPrimary.subQueryAlias }];
|
|
|
+ } else if (foundPrimary.alias) {
|
|
|
+ if (!isColumnLocation && isColumnWrapper && aliasMatch) {
|
|
|
+ // TODO: add alias on table in suggestColumns (needs support in sqlAutocomplete3.js)
|
|
|
+ // the case is: SELECT cu.| FROM customers cu;
|
|
|
+ // This prevents alias from being added automatically in sqlAutocompleter.js
|
|
|
+ wrapper.tables = [{ identifierChain: foundPrimary.identifierChain }];
|
|
|
+ } else {
|
|
|
+ wrapper.tables = [
|
|
|
+ { identifierChain: foundPrimary.identifierChain, alias: foundPrimary.alias }
|
|
|
+ ];
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ wrapper.tables = [{ identifierChain: foundPrimary.identifierChain }];
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ 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 {
|
|
|
+ if (isColumnWrapper) {
|
|
|
+ wrapper.tables = [];
|
|
|
+ }
|
|
|
+ tablePrimaries.forEach(tablePrimary => {
|
|
|
+ const targetTable = tablePrimary.subQueryAlias
|
|
|
+ ? { subQuery: tablePrimary.subQueryAlias }
|
|
|
+ : { identifierChain: tablePrimary.identifierChain };
|
|
|
+ if (tablePrimary.alias) {
|
|
|
+ targetTable.alias = tablePrimary.alias;
|
|
|
+ }
|
|
|
+ if (wrapper.tables) {
|
|
|
+ wrapper.tables.push(targetTable);
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+ delete wrapper.owner;
|
|
|
+ wrapper.linked = true;
|
|
|
+ };
|
|
|
+
|
|
|
+ const filterTablePrimariesForOwner = function (tablePrimaries, owner) {
|
|
|
+ const result = [];
|
|
|
+ tablePrimaries.forEach(primary => {
|
|
|
+ if (typeof owner === 'undefined' && typeof primary.owner === 'undefined') {
|
|
|
+ result.push(primary);
|
|
|
+ } else if (owner === primary.owner) {
|
|
|
+ result.push(primary);
|
|
|
+ }
|
|
|
+ });
|
|
|
+ return result;
|
|
|
+ };
|
|
|
+
|
|
|
+ const convertTablePrimariesToSuggestions = function (tablePrimaries) {
|
|
|
+ const tables = [];
|
|
|
+ const identifiers = [];
|
|
|
+ tablePrimaries.forEach(tablePrimary => {
|
|
|
+ if (tablePrimary.identifierChain && tablePrimary.identifierChain.length > 0) {
|
|
|
+ const table = { identifierChain: tablePrimary.identifierChain };
|
|
|
+ if (tablePrimary.alias) {
|
|
|
+ table.alias = tablePrimary.alias;
|
|
|
+ identifiers.push({ name: table.alias + '.', type: 'alias' });
|
|
|
+ } else {
|
|
|
+ const 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;
|
|
|
+ };
|
|
|
+
|
|
|
+ const linkTablePrimaries = function () {
|
|
|
+ if (!parser.yy.cursorFound || typeof parser.yy.latestTablePrimaries === 'undefined') {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ SIMPLE_TABLE_REF_SUGGESTIONS.forEach(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(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
|
|
|
+ ) {
|
|
|
+ const tablePrimaries = filterTablePrimariesForOwner(
|
|
|
+ parser.yy.latestTablePrimaries,
|
|
|
+ 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 {
|
|
|
+ if (
|
|
|
+ tablePrimaries.length === 1 &&
|
|
|
+ (tablePrimaries[0].alias || tablePrimaries[0].subQueryAlias)
|
|
|
+ ) {
|
|
|
+ convertTablePrimariesToSuggestions(tablePrimaries);
|
|
|
+ }
|
|
|
+ parser.expandIdentifierChain({
|
|
|
+ wrapper: parser.yy.result.suggestColumns,
|
|
|
+ anyOwner: false,
|
|
|
+ isColumnWrapper: true
|
|
|
+ });
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ parser.expandIdentifierChain({
|
|
|
+ wrapper: parser.yy.result.suggestColumns,
|
|
|
+ anyOwner: false,
|
|
|
+ isColumnWrapper: true
|
|
|
+ });
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (typeof parser.yy.result.colRef !== 'undefined' && !parser.yy.result.colRef.linked) {
|
|
|
+ parser.expandIdentifierChain({ wrapper: parser.yy.result.colRef });
|
|
|
+
|
|
|
+ const primaries = filterTablePrimariesForOwner(parser.yy.latestTablePrimaries);
|
|
|
+ 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({ wrapper: parser.yy.result.suggestKeyValues });
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.addTablePrimary = function (ref) {
|
|
|
+ if (typeof parser.yy.latestTablePrimaries === 'undefined') {
|
|
|
+ parser.yy.latestTablePrimaries = [];
|
|
|
+ }
|
|
|
+ parser.yy.latestTablePrimaries.push(ref);
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.suggestFileFormats = function () {
|
|
|
+ parser.suggestKeywords([
|
|
|
+ 'AVRO',
|
|
|
+ 'KUDU',
|
|
|
+ 'ORC',
|
|
|
+ 'PARQUET',
|
|
|
+ 'RCFILE',
|
|
|
+ 'SEQUENCEFILE',
|
|
|
+ 'TEXTFILE'
|
|
|
+ ]);
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.getKeywordsForOptionalsLR = function (optionals, keywords, override) {
|
|
|
+ let result = [];
|
|
|
+
|
|
|
+ for (let 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) {
|
|
|
+ let keywords = [
|
|
|
+ 'ALTER',
|
|
|
+ 'CREATE',
|
|
|
+ 'DESCRIBE',
|
|
|
+ 'DROP',
|
|
|
+ 'GRANT',
|
|
|
+ 'INSERT',
|
|
|
+ 'REVOKE',
|
|
|
+ 'SELECT',
|
|
|
+ 'SET',
|
|
|
+ 'SHOW',
|
|
|
+ 'TRUNCATE',
|
|
|
+ 'UPDATE',
|
|
|
+ 'USE',
|
|
|
+ 'WITH'
|
|
|
+ ];
|
|
|
+
|
|
|
+ if (extraKeywords) {
|
|
|
+ keywords = keywords.concat(extraKeywords);
|
|
|
+ }
|
|
|
+
|
|
|
+ parser.suggestKeywords(keywords);
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.checkForSelectListKeywords = function (selectList) {
|
|
|
+ if (selectList.length === 0) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ const last = selectList[selectList.length - 1];
|
|
|
+ if (!last || !last.valueExpression) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ const valueExpressionKeywords = parser.getValueExpressionKeywords(last.valueExpression);
|
|
|
+ let 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) {
|
|
|
+ const result = [];
|
|
|
+ keywords.forEach(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) {
|
|
|
+ const weightedKeywords = [];
|
|
|
+ if (keywords.length === 0) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ keywords.forEach(keyword => {
|
|
|
+ if (typeof keyword.weight !== 'undefined') {
|
|
|
+ weightedKeywords.push(keyword);
|
|
|
+ } else {
|
|
|
+ weightedKeywords.push({ value: keyword, weight: -1 });
|
|
|
+ }
|
|
|
+ });
|
|
|
+ weightedKeywords.sort((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;
|
|
|
+ }
|
|
|
+ const tableRef = parser.yy.latestTablePrimaries.filter(tablePrimary => {
|
|
|
+ return equalIgnoreCase(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 () {
|
|
|
+ const primaries = [];
|
|
|
+ const aliases = {};
|
|
|
+ parser.yy.latestTablePrimaries.forEach(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.suggestSetOptions = function () {
|
|
|
+ parser.yy.result.suggestSetOptions = true;
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.suggestIdentifiers = function (identifiers) {
|
|
|
+ parser.yy.result.suggestIdentifiers = identifiers;
|
|
|
+ };
|
|
|
+
|
|
|
+ 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 || {};
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.firstDefined = function () {
|
|
|
+ for (let i = 0; i + 1 < arguments.length; i += 2) {
|
|
|
+ if (arguments[i]) {
|
|
|
+ return arguments[i + 1];
|
|
|
+ }
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ parser.addColRefToVariableIfExists = function (left, right) {
|
|
|
+ if (
|
|
|
+ left &&
|
|
|
+ left.columnReference &&
|
|
|
+ left.columnReference.length &&
|
|
|
+ right &&
|
|
|
+ right.columnReference &&
|
|
|
+ right.columnReference.length &&
|
|
|
+ parser.yy.locations.length > 1
|
|
|
+ ) {
|
|
|
+ const addColRefToVariableLocation = function (variableValue, colRef) {
|
|
|
+ // See if colref is actually an alias
|
|
|
+ if (colRef.length === 1 && colRef[0].name) {
|
|
|
+ parser.yy.locations.some(location => {
|
|
|
+ if (location.type === 'column' && location.alias === colRef[0].name) {
|
|
|
+ colRef = location.identifierChain;
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ for (let i = parser.yy.locations.length - 1; i > 0; i--) {
|
|
|
+ const location = parser.yy.locations[i];
|
|
|
+ if (location.type === 'variable' && location.value === variableValue) {
|
|
|
+ location.colRef = { identifierChain: colRef };
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ if (/\${[^}]*}/.test(left.columnReference[0].name)) {
|
|
|
+ // left is variable
|
|
|
+ addColRefToVariableLocation(left.columnReference[0].name, right.columnReference);
|
|
|
+ } else if (/\${[^}]*}/.test(right.columnReference[0].name)) {
|
|
|
+ // right is variable
|
|
|
+ addColRefToVariableLocation(right.columnReference[0].name, left.columnReference);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ 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;
|
|
|
+ const 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
|
|
|
+ };
|
|
|
+ const remainder = yytext.substring(cursorIndex + 1);
|
|
|
+ const 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;
|
|
|
+ };
|
|
|
+
|
|
|
+ let lexerModified = false;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Main parser function
|
|
|
+ */
|
|
|
+ parser.parseSql = function (beforeCursor, afterCursor, 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.definitions = [];
|
|
|
+ parser.yy.allLocations = [];
|
|
|
+ parser.yy.subQueries = [];
|
|
|
+ parser.yy.errors = [];
|
|
|
+ parser.yy.selectListAliases = [];
|
|
|
+ parser.yy.activeDialect = 'generic';
|
|
|
+
|
|
|
+ parser.yy.locationsStack = [];
|
|
|
+ parser.yy.primariesStack = [];
|
|
|
+ parser.yy.subQueriesStack = [];
|
|
|
+ parser.yy.resultStack = [];
|
|
|
+ parser.yy.selectListAliasesStack = [];
|
|
|
+
|
|
|
+ delete parser.yy.caseDetermined;
|
|
|
+ delete parser.yy.cursorFound;
|
|
|
+ delete parser.yy.partialCursor;
|
|
|
+
|
|
|
+ // Fix for parser bug when switching lexer states
|
|
|
+ if (!lexerModified) {
|
|
|
+ const originalSetInput = parser.lexer.setInput;
|
|
|
+ parser.lexer.setInput = function (input, yy) {
|
|
|
+ return originalSetInput.bind(parser.lexer)(input, yy);
|
|
|
+ };
|
|
|
+ lexerModified = true;
|
|
|
+ }
|
|
|
+
|
|
|
+ parser.prepareNewStatement();
|
|
|
+
|
|
|
+ const 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
|
|
|
+ const 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
|
|
|
+ const 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);
|
|
|
+ }
|
|
|
+
|
|
|
+ let 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.warn(err);
|
|
|
+ console.warn(err.stack);
|
|
|
+ }
|
|
|
+ result = parser.yy.result;
|
|
|
+ }
|
|
|
+ if (parser.yy.errors.length > 0) {
|
|
|
+ parser.yy.result.errors = parser.yy.errors;
|
|
|
+ if (debug) {
|
|
|
+ console.warn(parser.yy.errors);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ try {
|
|
|
+ linkTablePrimaries();
|
|
|
+ parser.commitLocations();
|
|
|
+ // Clean up and prioritize
|
|
|
+ prioritizeSuggestions();
|
|
|
+ } catch (err) {
|
|
|
+ if (debug) {
|
|
|
+ console.warn(err);
|
|
|
+ console.warn(err.stack);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ parser.yy.allLocations.sort((a, b) => {
|
|
|
+ if (a.location.first_line !== b.location.first_line) {
|
|
|
+ return a.location.first_line - b.location.first_line;
|
|
|
+ }
|
|
|
+ if (a.location.first_column !== b.location.first_column) {
|
|
|
+ return a.location.first_column - b.location.first_column;
|
|
|
+ }
|
|
|
+ if (a.location.last_column !== b.location.last_column) {
|
|
|
+ return b.location.last_column - a.location.last_column;
|
|
|
+ }
|
|
|
+ return b.type.localeCompare(a.type);
|
|
|
+ });
|
|
|
+ parser.yy.result.locations = parser.yy.allLocations;
|
|
|
+ parser.yy.result.definitions = parser.yy.definitions;
|
|
|
+
|
|
|
+ parser.yy.result.locations.forEach(location => {
|
|
|
+ delete location.linked;
|
|
|
+ });
|
|
|
+ if (typeof parser.yy.result.suggestColumns !== 'undefined') {
|
|
|
+ delete parser.yy.result.suggestColumns.linked;
|
|
|
+ }
|
|
|
+
|
|
|
+ SIMPLE_TABLE_REF_SUGGESTIONS.forEach(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 the cursor from expected tokens
|
|
|
+ result.error.expected = result.error.expected.filter(token => token.indexOf('CURSOR') === -1);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (typeof result.error !== 'undefined' && result.error.recoverable) {
|
|
|
+ delete result.error;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Adjust all the statement locations to include white space surrounding them
|
|
|
+ let lastStatementLocation = null;
|
|
|
+ result.locations.forEach(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;
|
|
|
+ };
|
|
|
+};
|
|
|
+
|
|
|
+export default {
|
|
|
+ initSqlParser: initSqlParser,
|
|
|
+ initSyntaxParser: initSyntaxParser
|
|
|
+};
|