autocomplete.utils.js 6.4 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165
  1. // Licensed to Cloudera, Inc. under one
  2. // or more contributor license agreements. See the NOTICE file
  3. // distributed with this work for additional information
  4. // regarding copyright ownership. Cloudera, Inc. licenses this file
  5. // to you under the Apache License, Version 2.0 (the
  6. // "License"); you may not use this file except in compliance
  7. // with the License. You may obtain a copy of the License at
  8. //
  9. // http://www.apache.org/licenses/LICENSE-2.0
  10. //
  11. // Unless required by applicable law or agreed to in writing, software
  12. // distributed under the License is distributed on an "AS IS" BASIS,
  13. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14. // See the License for the specific language governing permissions and
  15. // limitations under the License.
  16. function hac_jsoncalls(options) {
  17. if (typeof HIVE_AUTOCOMPLETE_BASE_URL != "undefined") {
  18. if (options.database == null) {
  19. $.getJSON(HIVE_AUTOCOMPLETE_BASE_URL, options.onDataReceived);
  20. }
  21. if (options.database != null) {
  22. if (options.table != null) {
  23. $.getJSON(HIVE_AUTOCOMPLETE_BASE_URL + options.database + "/" + options.table, options.onDataReceived);
  24. }
  25. else {
  26. $.getJSON(HIVE_AUTOCOMPLETE_BASE_URL + options.database + "/", options.onDataReceived);
  27. }
  28. }
  29. }
  30. else {
  31. try {
  32. console.error("You need to specify a HIVE_AUTOCOMPLETE_BASE_URL to use the autocomplete")
  33. }
  34. catch (e) {
  35. }
  36. }
  37. }
  38. function hac_hasExpired(timestamp){
  39. var TIME_TO_LIVE_IN_MILLIS = 600000; // 10 minutes
  40. return (new Date()).getTime() - timestamp > TIME_TO_LIVE_IN_MILLIS;
  41. }
  42. function hac_getTableAliases(textScanned) {
  43. var _aliases = {};
  44. var _val = textScanned; //codeMirror.getValue();
  45. var _from = _val.toUpperCase().indexOf("FROM");
  46. if (_from > -1) {
  47. var _match = _val.toUpperCase().substring(_from).match(/ON|WHERE|GROUP|SORT/);
  48. var _to = _val.length;
  49. if (_match) {
  50. _to = _match.index;
  51. }
  52. var _found = _val.substr(_from, _to).replace(/(\r\n|\n|\r)/gm, "").replace(/from/gi, "").replace(/join/gi, ",").split(",");
  53. for (var i = 0; i < _found.length; i++) {
  54. var _tablealias = $.trim(_found[i]).split(" ");
  55. if (_tablealias.length > 1) {
  56. _aliases[_tablealias[1]] = _tablealias[0];
  57. }
  58. }
  59. }
  60. return _aliases;
  61. }
  62. function hac_getTableColumns(databaseName, tableName, textScanned, callback) {
  63. if (tableName.indexOf("(") > -1) {
  64. tableName = tableName.substr(tableName.indexOf("(") + 1);
  65. }
  66. var _aliases = hac_getTableAliases(textScanned);
  67. if (_aliases[tableName]) {
  68. tableName = _aliases[tableName];
  69. }
  70. if ($.totalStorage('columns_' + databaseName + '_' + tableName) != null && $.totalStorage('extended_columns_' + databaseName + '_' + tableName) != null) {
  71. callback($.totalStorage('columns_' + databaseName + '_' + tableName), $.totalStorage('extended_columns_' + databaseName + '_' + tableName));
  72. if ($.totalStorage('timestamp_columns_' + databaseName + '_' + tableName) == null || hac_hasExpired($.totalStorage('timestamp_columns_' + databaseName + '_' + tableName))){
  73. hac_jsoncalls({
  74. database: databaseName,
  75. table: tableName,
  76. onDataReceived: function (data) {
  77. if (data.error) {
  78. if (typeof HIVE_AUTOCOMPLETE_FAILS_SILENTLY_ON == "undefined" || data.code == null || HIVE_AUTOCOMPLETE_FAILS_SILENTLY_ON.indexOf(data.code) == -1){
  79. $(document).trigger('error', data.error);
  80. }
  81. }
  82. else {
  83. $.totalStorage('columns_' + databaseName + '_' + tableName, (data.columns ? data.columns.join(" ") : ""));
  84. $.totalStorage('extended_columns_' + databaseName + '_' + tableName, (data.extended_columns ? data.extended_columns : []));
  85. $.totalStorage('timestamp_columns_' + databaseName + '_' + tableName, (new Date()).getTime());
  86. }
  87. }
  88. });
  89. }
  90. }
  91. else {
  92. hac_jsoncalls({
  93. database: databaseName,
  94. table: tableName,
  95. onDataReceived: function (data) {
  96. if (data.error) {
  97. if (typeof HIVE_AUTOCOMPLETE_FAILS_SILENTLY_ON == "undefined" || data.code == null || HIVE_AUTOCOMPLETE_FAILS_SILENTLY_ON.indexOf(data.code) == -1){
  98. $(document).trigger('error', data.error);
  99. }
  100. }
  101. else {
  102. $.totalStorage('columns_' + databaseName + '_' + tableName, (data.columns ? data.columns.join(" ") : ""));
  103. $.totalStorage('extended_columns_' + databaseName + '_' + tableName, (data.extended_columns ? data.extended_columns : []));
  104. $.totalStorage('timestamp_columns_' + databaseName + '_' + tableName, (new Date()).getTime());
  105. callback($.totalStorage('columns_' + databaseName + '_' + tableName), $.totalStorage('extended_columns_' + databaseName + '_' + tableName));
  106. }
  107. }
  108. });
  109. }
  110. }
  111. function hac_tableHasAlias(tableName, textScanned) {
  112. var _aliases = hac_getTableAliases(textScanned);
  113. for (var alias in _aliases) {
  114. if (_aliases[alias] == tableName) {
  115. return true;
  116. }
  117. }
  118. return false;
  119. }
  120. function hac_getTables(databaseName, callback) {
  121. if ($.totalStorage('tables_' + databaseName) != null) {
  122. callback($.totalStorage('tables_' + databaseName));
  123. if ($.totalStorage('timestamp_tables_' + databaseName) == null || hac_hasExpired($.totalStorage('timestamp_tables_' + databaseName))){
  124. hac_jsoncalls({
  125. database: databaseName,
  126. onDataReceived: function (data) {
  127. if (data.error) {
  128. if (typeof HIVE_AUTOCOMPLETE_FAILS_SILENTLY_ON == "undefined" || data.code == null || HIVE_AUTOCOMPLETE_FAILS_SILENTLY_ON.indexOf(data.code) == -1){
  129. $(document).trigger('error', data.error);
  130. }
  131. }
  132. else {
  133. $.totalStorage('tables_' + databaseName, data.tables.join(" "));
  134. $.totalStorage('timestamp_tables_' + databaseName, (new Date()).getTime());
  135. }
  136. }
  137. });
  138. }
  139. }
  140. else {
  141. hac_jsoncalls({
  142. database: databaseName,
  143. onDataReceived: function (data) {
  144. if (data.error) {
  145. if (typeof HIVE_AUTOCOMPLETE_FAILS_SILENTLY_ON == "undefined" || data.code == null || HIVE_AUTOCOMPLETE_FAILS_SILENTLY_ON.indexOf(data.code) == -1){
  146. $(document).trigger('error', data.error);
  147. }
  148. }
  149. else {
  150. $.totalStorage('tables_' + databaseName, data.tables.join(" "));
  151. $.totalStorage('timestamp_tables_' + databaseName, (new Date()).getTime());
  152. callback($.totalStorage('tables_' + databaseName));
  153. }
  154. }
  155. });
  156. }
  157. }