autocomplete.utils.js 9.1 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. var _url = typeof options.autocompleteBaseURL != "undefined" ? options.autocompleteBaseURL : HIVE_AUTOCOMPLETE_BASE_URL;
  18. if (options.database != null) {
  19. _url += options.database
  20. }
  21. if (options.table != null) {
  22. _url += "/" + options.table
  23. }
  24. $.ajax({
  25. type: "GET",
  26. url: _url + "?" + Math.random(),
  27. success: options.onDataReceived,
  28. async: options.sync == "undefined"
  29. });
  30. }
  31. function hac_hasExpired(timestamp){
  32. var TIME_TO_LIVE_IN_MILLIS = 86400000; // 1 day
  33. return (new Date()).getTime() - timestamp > TIME_TO_LIVE_IN_MILLIS;
  34. }
  35. function hac_getTableAliases(textScanned) {
  36. var _aliases = {};
  37. var _val = textScanned.split("\n").join(" ");
  38. var _from = _val.toUpperCase().indexOf("FROM ");
  39. if (_from > -1) {
  40. var _match = _val.toUpperCase().substring(_from).match(/ ON| LIMIT| WHERE| GROUP| SORT| ORDER BY|;/);
  41. var _to = _val.length;
  42. if (_match) {
  43. _to = _match.index;
  44. }
  45. var _found = _val.substr(_from, _to).replace(/(\r\n|\n|\r)/gm, "").replace(/from/gi, "").replace(/join/gi, ",").split(",");
  46. for (var i = 0; i < _found.length; i++) {
  47. var _tablealias = $.trim(_found[i]).split(" ");
  48. if (_tablealias.length > 1) {
  49. _aliases[_tablealias[1]] = _tablealias[0];
  50. }
  51. }
  52. }
  53. return _aliases;
  54. }
  55. function hac_getTotalStorageUserPrefix() {
  56. var _app = "";
  57. if (typeof HIVE_AUTOCOMPLETE_APP != "undefined") {
  58. _app = HIVE_AUTOCOMPLETE_APP;
  59. }
  60. if (typeof HIVE_AUTOCOMPLETE_USER != "undefined") {
  61. return _app + "_" + HIVE_AUTOCOMPLETE_USER + "_";
  62. }
  63. return (_app != "" ? _app + "_" : "");
  64. }
  65. function hac_getTableColumns(databaseName, tableName, textScanned, callback) {
  66. if (tableName.indexOf("(") > -1) {
  67. tableName = tableName.substr(tableName.indexOf("(") + 1);
  68. }
  69. var _aliases = hac_getTableAliases(textScanned);
  70. if (_aliases[tableName]) {
  71. tableName = _aliases[tableName];
  72. }
  73. if ($.totalStorage(hac_getTotalStorageUserPrefix() + 'columns_' + databaseName + '_' + tableName) != null && $.totalStorage(hac_getTotalStorageUserPrefix() + 'extended_columns_' + databaseName + '_' + tableName) != null) {
  74. callback($.totalStorage(hac_getTotalStorageUserPrefix() + 'columns_' + databaseName + '_' + tableName), $.totalStorage(hac_getTotalStorageUserPrefix() + 'extended_columns_' + databaseName + '_' + tableName));
  75. if ($.totalStorage(hac_getTotalStorageUserPrefix() + 'timestamp_columns_' + databaseName + '_' + tableName) == null || hac_hasExpired($.totalStorage(hac_getTotalStorageUserPrefix() + 'timestamp_columns_' + databaseName + '_' + tableName))){
  76. hac_jsoncalls({
  77. database: databaseName,
  78. table: tableName,
  79. onDataReceived: function (data) {
  80. if (typeof HIVE_AUTOCOMPLETE_GLOBAL_CALLBACK == "function") {
  81. HIVE_AUTOCOMPLETE_GLOBAL_CALLBACK(data);
  82. }
  83. if (data.error) {
  84. hac_errorHandler(data);
  85. }
  86. else {
  87. $.totalStorage(hac_getTotalStorageUserPrefix() + 'columns_' + databaseName + '_' + tableName, (data.columns ? "* " + data.columns.join(" ") : "*"));
  88. $.totalStorage(hac_getTotalStorageUserPrefix() + 'extended_columns_' + databaseName + '_' + tableName, (data.extended_columns ? data.extended_columns : []));
  89. $.totalStorage(hac_getTotalStorageUserPrefix() + 'timestamp_columns_' + databaseName + '_' + tableName, (new Date()).getTime());
  90. }
  91. }
  92. });
  93. }
  94. }
  95. else {
  96. hac_jsoncalls({
  97. database: databaseName,
  98. table: tableName,
  99. onDataReceived: function (data) {
  100. if (typeof HIVE_AUTOCOMPLETE_GLOBAL_CALLBACK == "function") {
  101. HIVE_AUTOCOMPLETE_GLOBAL_CALLBACK(data);
  102. }
  103. if (data.error) {
  104. hac_errorHandler(data);
  105. }
  106. else {
  107. $.totalStorage(hac_getTotalStorageUserPrefix() + 'columns_' + databaseName + '_' + tableName, (data.columns ? "* " + data.columns.join(" ") : "*"));
  108. $.totalStorage(hac_getTotalStorageUserPrefix() + 'extended_columns_' + databaseName + '_' + tableName, (data.extended_columns ? data.extended_columns : []));
  109. $.totalStorage(hac_getTotalStorageUserPrefix() + 'timestamp_columns_' + databaseName + '_' + tableName, (new Date()).getTime());
  110. callback($.totalStorage(hac_getTotalStorageUserPrefix() + 'columns_' + databaseName + '_' + tableName), $.totalStorage(hac_getTotalStorageUserPrefix() + 'extended_columns_' + databaseName + '_' + tableName));
  111. }
  112. }
  113. });
  114. }
  115. }
  116. function hac_tableHasAlias(tableName, textScanned) {
  117. var _aliases = hac_getTableAliases(textScanned);
  118. for (var alias in _aliases) {
  119. if (_aliases[alias] == tableName) {
  120. return true;
  121. }
  122. }
  123. return false;
  124. }
  125. function hac_getTables(databaseName, callback) {
  126. if ($.totalStorage(hac_getTotalStorageUserPrefix() + 'tables_' + databaseName) != null) {
  127. callback($.totalStorage(hac_getTotalStorageUserPrefix() + 'tables_' + databaseName));
  128. if ($.totalStorage(hac_getTotalStorageUserPrefix() + 'timestamp_tables_' + databaseName) == null || hac_hasExpired($.totalStorage(hac_getTotalStorageUserPrefix() + 'timestamp_tables_' + databaseName))){
  129. hac_jsoncalls({
  130. database: databaseName,
  131. onDataReceived: function (data) {
  132. if (typeof HIVE_AUTOCOMPLETE_GLOBAL_CALLBACK == "function") {
  133. HIVE_AUTOCOMPLETE_GLOBAL_CALLBACK(data);
  134. }
  135. if (data.error) {
  136. hac_errorHandler(data);
  137. }
  138. else {
  139. $.totalStorage(hac_getTotalStorageUserPrefix() + 'tables_' + databaseName, data.tables.join(" "));
  140. $.totalStorage(hac_getTotalStorageUserPrefix() + 'timestamp_tables_' + databaseName, (new Date()).getTime());
  141. }
  142. }
  143. });
  144. }
  145. }
  146. else {
  147. hac_jsoncalls({
  148. database: databaseName,
  149. onDataReceived: function (data) {
  150. if (typeof HIVE_AUTOCOMPLETE_GLOBAL_CALLBACK == "function") {
  151. HIVE_AUTOCOMPLETE_GLOBAL_CALLBACK(data);
  152. }
  153. if (data.error) {
  154. hac_errorHandler(data);
  155. }
  156. else {
  157. if (data.tables) {
  158. $.totalStorage(hac_getTotalStorageUserPrefix() + 'tables_' + databaseName, data.tables.join(" "));
  159. $.totalStorage(hac_getTotalStorageUserPrefix() + 'timestamp_tables_' + databaseName, (new Date()).getTime());
  160. callback($.totalStorage(hac_getTotalStorageUserPrefix() + 'tables_' + databaseName));
  161. }
  162. }
  163. }
  164. });
  165. }
  166. }
  167. function hac_getDatabases(callback) {
  168. if ($.totalStorage(hac_getTotalStorageUserPrefix() + 'databases') != null) {
  169. callback($.totalStorage(hac_getTotalStorageUserPrefix() + 'databases'));
  170. if ($.totalStorage(hac_getTotalStorageUserPrefix() + 'timestamp_databases') == null || hac_hasExpired($.totalStorage(hac_getTotalStorageUserPrefix() + 'timestamp_databases'))){
  171. hac_jsoncalls({
  172. onDataReceived: function (data) {
  173. if (typeof HIVE_AUTOCOMPLETE_GLOBAL_CALLBACK == "function") {
  174. HIVE_AUTOCOMPLETE_GLOBAL_CALLBACK(data);
  175. }
  176. if (data.error) {
  177. hac_errorHandler(data);
  178. }
  179. else {
  180. $.totalStorage(hac_getTotalStorageUserPrefix() + 'databases', data.databases);
  181. $.totalStorage(hac_getTotalStorageUserPrefix() + 'timestamp_databases', (new Date()).getTime());
  182. }
  183. }
  184. });
  185. }
  186. }
  187. else {
  188. hac_jsoncalls({
  189. onDataReceived: function (data) {
  190. if (typeof HIVE_AUTOCOMPLETE_GLOBAL_CALLBACK == "function") {
  191. HIVE_AUTOCOMPLETE_GLOBAL_CALLBACK(data);
  192. }
  193. if (data.error) {
  194. hac_errorHandler(data);
  195. }
  196. else {
  197. if (data.databases) {
  198. $.totalStorage(hac_getTotalStorageUserPrefix() + 'databases', data.databases);
  199. $.totalStorage(hac_getTotalStorageUserPrefix() + 'timestamp_databases', (new Date()).getTime());
  200. callback($.totalStorage(hac_getTotalStorageUserPrefix() + 'databases'));
  201. }
  202. }
  203. }
  204. });
  205. }
  206. }
  207. function hac_errorHandler(data) {
  208. $(document).trigger('error.autocomplete');
  209. if (typeof HIVE_AUTOCOMPLETE_FAILS_SILENTLY_ON == "undefined" || data.code == null || HIVE_AUTOCOMPLETE_FAILS_SILENTLY_ON.indexOf(data.code) == -1){
  210. if (typeof HIVE_AUTOCOMPLETE_FAILS_QUIETLY_ON != "undefined" && HIVE_AUTOCOMPLETE_FAILS_QUIETLY_ON.indexOf(data.code) > -1){
  211. $(document).trigger('info', data.error);
  212. }
  213. else {
  214. $(document).trigger('error', data.error);
  215. }
  216. }
  217. }