autocomplete.utils.js 9.2 KB

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  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 = 86400000; // 1 day
  40. return (new Date()).getTime() - timestamp > TIME_TO_LIVE_IN_MILLIS;
  41. }
  42. function hac_getTableAliases(textScanned) {
  43. var _aliases = {};
  44. var _val = textScanned.split("\n").join(" ");
  45. var _from = _val.toUpperCase().indexOf("FROM ");
  46. if (_from > -1) {
  47. var _match = _val.toUpperCase().substring(_from).match(/ ON| LIMIT| WHERE| GROUP| SORT| ORDER BY|;/);
  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 = $.trim(_found[i]).split(" ");
  55. if (_tablealias.length > 1) {
  56. _aliases[_tablealias[1]] = _tablealias[0];
  57. }
  58. }
  59. }
  60. return _aliases;
  61. }
  62. function hac_getTotalStorageUserPrefix(){
  63. if (typeof HIVE_AUTOCOMPLETE_USER != "undefined") {
  64. return HIVE_AUTOCOMPLETE_USER + "_";
  65. }
  66. return "";
  67. }
  68. function hac_getTableColumns(databaseName, tableName, textScanned, callback) {
  69. if (tableName.indexOf("(") > -1) {
  70. tableName = tableName.substr(tableName.indexOf("(") + 1);
  71. }
  72. var _aliases = hac_getTableAliases(textScanned);
  73. if (_aliases[tableName]) {
  74. tableName = _aliases[tableName];
  75. }
  76. if ($.totalStorage(hac_getTotalStorageUserPrefix() + 'columns_' + databaseName + '_' + tableName) != null && $.totalStorage(hac_getTotalStorageUserPrefix() + 'extended_columns_' + databaseName + '_' + tableName) != null) {
  77. callback($.totalStorage(hac_getTotalStorageUserPrefix() + 'columns_' + databaseName + '_' + tableName), $.totalStorage(hac_getTotalStorageUserPrefix() + 'extended_columns_' + databaseName + '_' + tableName));
  78. if ($.totalStorage(hac_getTotalStorageUserPrefix() + 'timestamp_columns_' + databaseName + '_' + tableName) == null || hac_hasExpired($.totalStorage(hac_getTotalStorageUserPrefix() + 'timestamp_columns_' + databaseName + '_' + tableName))){
  79. hac_jsoncalls({
  80. database: databaseName,
  81. table: tableName,
  82. onDataReceived: function (data) {
  83. if (typeof HIVE_AUTOCOMPLETE_GLOBAL_CALLBACK == "function") {
  84. HIVE_AUTOCOMPLETE_GLOBAL_CALLBACK(data);
  85. }
  86. if (data.error) {
  87. hac_errorHandler(data);
  88. }
  89. else {
  90. $.totalStorage(hac_getTotalStorageUserPrefix() + 'columns_' + databaseName + '_' + tableName, (data.columns ? "* " + data.columns.join(" ") : "*"));
  91. $.totalStorage(hac_getTotalStorageUserPrefix() + 'extended_columns_' + databaseName + '_' + tableName, (data.extended_columns ? data.extended_columns : []));
  92. $.totalStorage(hac_getTotalStorageUserPrefix() + 'timestamp_columns_' + databaseName + '_' + tableName, (new Date()).getTime());
  93. }
  94. }
  95. });
  96. }
  97. }
  98. else {
  99. hac_jsoncalls({
  100. database: databaseName,
  101. table: tableName,
  102. onDataReceived: function (data) {
  103. if (typeof HIVE_AUTOCOMPLETE_GLOBAL_CALLBACK == "function") {
  104. HIVE_AUTOCOMPLETE_GLOBAL_CALLBACK(data);
  105. }
  106. if (data.error) {
  107. hac_errorHandler(data);
  108. }
  109. else {
  110. $.totalStorage(hac_getTotalStorageUserPrefix() + 'columns_' + databaseName + '_' + tableName, (data.columns ? "* " + data.columns.join(" ") : "*"));
  111. $.totalStorage(hac_getTotalStorageUserPrefix() + 'extended_columns_' + databaseName + '_' + tableName, (data.extended_columns ? data.extended_columns : []));
  112. $.totalStorage(hac_getTotalStorageUserPrefix() + 'timestamp_columns_' + databaseName + '_' + tableName, (new Date()).getTime());
  113. callback($.totalStorage(hac_getTotalStorageUserPrefix() + 'columns_' + databaseName + '_' + tableName), $.totalStorage(hac_getTotalStorageUserPrefix() + 'extended_columns_' + databaseName + '_' + tableName));
  114. }
  115. }
  116. });
  117. }
  118. }
  119. function hac_tableHasAlias(tableName, textScanned) {
  120. var _aliases = hac_getTableAliases(textScanned);
  121. for (var alias in _aliases) {
  122. if (_aliases[alias] == tableName) {
  123. return true;
  124. }
  125. }
  126. return false;
  127. }
  128. function hac_getTables(databaseName, callback) {
  129. if ($.totalStorage(hac_getTotalStorageUserPrefix() + 'tables_' + databaseName) != null) {
  130. callback($.totalStorage(hac_getTotalStorageUserPrefix() + 'tables_' + databaseName));
  131. if ($.totalStorage(hac_getTotalStorageUserPrefix() + 'timestamp_tables_' + databaseName) == null || hac_hasExpired($.totalStorage(hac_getTotalStorageUserPrefix() + 'timestamp_tables_' + databaseName))){
  132. hac_jsoncalls({
  133. database: databaseName,
  134. onDataReceived: function (data) {
  135. if (typeof HIVE_AUTOCOMPLETE_GLOBAL_CALLBACK == "function") {
  136. HIVE_AUTOCOMPLETE_GLOBAL_CALLBACK(data);
  137. }
  138. if (data.error) {
  139. hac_errorHandler(data);
  140. }
  141. else {
  142. $.totalStorage(hac_getTotalStorageUserPrefix() + 'tables_' + databaseName, data.tables.join(" "));
  143. $.totalStorage(hac_getTotalStorageUserPrefix() + 'timestamp_tables_' + databaseName, (new Date()).getTime());
  144. }
  145. }
  146. });
  147. }
  148. }
  149. else {
  150. hac_jsoncalls({
  151. database: databaseName,
  152. onDataReceived: function (data) {
  153. if (typeof HIVE_AUTOCOMPLETE_GLOBAL_CALLBACK == "function") {
  154. HIVE_AUTOCOMPLETE_GLOBAL_CALLBACK(data);
  155. }
  156. if (data.error) {
  157. hac_errorHandler(data);
  158. }
  159. else {
  160. if (data.tables) {
  161. $.totalStorage(hac_getTotalStorageUserPrefix() + 'tables_' + databaseName, data.tables.join(" "));
  162. $.totalStorage(hac_getTotalStorageUserPrefix() + 'timestamp_tables_' + databaseName, (new Date()).getTime());
  163. callback($.totalStorage(hac_getTotalStorageUserPrefix() + 'tables_' + databaseName));
  164. }
  165. }
  166. }
  167. });
  168. }
  169. }
  170. function hac_getDatabases(callback) {
  171. if ($.totalStorage(hac_getTotalStorageUserPrefix() + 'databases') != null) {
  172. callback($.totalStorage(hac_getTotalStorageUserPrefix() + 'databases'));
  173. if ($.totalStorage(hac_getTotalStorageUserPrefix() + 'timestamp_databases') == null || hac_hasExpired($.totalStorage(hac_getTotalStorageUserPrefix() + 'timestamp_databases'))){
  174. hac_jsoncalls({
  175. onDataReceived: function (data) {
  176. if (typeof HIVE_AUTOCOMPLETE_GLOBAL_CALLBACK == "function") {
  177. HIVE_AUTOCOMPLETE_GLOBAL_CALLBACK(data);
  178. }
  179. if (data.error) {
  180. hac_errorHandler(data);
  181. }
  182. else {
  183. $.totalStorage(hac_getTotalStorageUserPrefix() + 'databases', data.databases);
  184. $.totalStorage(hac_getTotalStorageUserPrefix() + 'timestamp_databases', (new Date()).getTime());
  185. }
  186. }
  187. });
  188. }
  189. }
  190. else {
  191. hac_jsoncalls({
  192. onDataReceived: function (data) {
  193. if (typeof HIVE_AUTOCOMPLETE_GLOBAL_CALLBACK == "function") {
  194. HIVE_AUTOCOMPLETE_GLOBAL_CALLBACK(data);
  195. }
  196. if (data.error) {
  197. hac_errorHandler(data);
  198. }
  199. else {
  200. if (data.databases) {
  201. $.totalStorage(hac_getTotalStorageUserPrefix() + 'databases', data.databases);
  202. $.totalStorage(hac_getTotalStorageUserPrefix() + 'timestamp_databases', (new Date()).getTime());
  203. callback($.totalStorage(hac_getTotalStorageUserPrefix() + 'databases'));
  204. }
  205. }
  206. }
  207. });
  208. }
  209. }
  210. function hac_errorHandler(data) {
  211. $(document).trigger('error.autocomplete');
  212. if (typeof HIVE_AUTOCOMPLETE_FAILS_SILENTLY_ON == "undefined" || data.code == null || HIVE_AUTOCOMPLETE_FAILS_SILENTLY_ON.indexOf(data.code) == -1){
  213. if (typeof HIVE_AUTOCOMPLETE_FAILS_QUIETLY_ON != "undefined" && HIVE_AUTOCOMPLETE_FAILS_QUIETLY_ON.indexOf(data.code) > -1){
  214. $(document).trigger('info', data.error);
  215. }
  216. else {
  217. $(document).trigger('error', data.error);
  218. }
  219. }
  220. }