feat(PostgreSQL): trigger functions support

src/common/customizations/defaults.js

@@ -68,6 +68,8 @@ module.exports = {
    triggerTableInName: false,
    triggerUpdateColumns: false,
    triggerOnlyRename: false,
+   triggerFunctionSql: false,
+   triggerFunctionlanguages: false,
    parametersLength: false,
    languages: false
 };

src/common/customizations/postgresql.js

@@ -21,12 +21,14 @@ module.exports = {
    tableAdd: true,
    viewAdd: true,
    triggerAdd: true,
+   triggerFunctionAdd: true,
    routineAdd: true,
    functionAdd: true,
    databaseEdit: false,
    tableSettings: true,
    viewSettings: true,
    triggerSettings: true,
+   triggerFunctionSettings: true,
    routineSettings: true,
    functionSettings: true,
    indexes: true,
@@ -36,7 +38,9 @@ module.exports = {
    procedureSql: '$BODY$\r\n\r\n$BODY$',
    procedureContext: true,
    procedureLanguage: true,
-   functionSql: '$BODY$\r\n\r\n$BODY$',
+   functionSql: '$function$\r\n\r\n$function$',
+   triggerFunctionSql: '$function$\r\nBEGIN\r\n\r\nEND\r\n$function$',
+   triggerFunctionlanguages: ['plpgsql'],
    functionContext: true,
    functionLanguage: true,
    triggerSql: 'EXECUTE PROCEDURE ',

src/main/ipc-handlers/functions.js

@@ -31,6 +31,16 @@ export default (connections) => {
       }
    });
 
+   ipcMain.handle('alter-trigger-function', async (event, params) => {
+      try {
+         await connections[params.uid].alterTriggerFunction(params);
+         return { status: 'success' };
+      }
+      catch (err) {
+         return { status: 'error', response: err.toString() };
+      }
+   });
+
    ipcMain.handle('create-function', async (event, params) => {
       try {
          await connections[params.uid].createFunction(params);
@@ -40,4 +50,14 @@ export default (connections) => {
          return { status: 'error', response: err.toString() };
       }
    });
+
+   ipcMain.handle('create-trigger-function', async (event, params) => {
+      try {
+         await connections[params.uid].createTriggerFunction(params);
+         return { status: 'success' };
+      }
+      catch (err) {
+         return { status: 'error', response: err.toString() };
+      }
+   });
 };

src/main/libs/clients/PostgreSQLClient.js

@@ -215,6 +215,7 @@ export class PostgreSQLClient extends AntaresCore {
                functions: [],
                procedures: [],
                triggers: [],
+               triggerFunctions: [],
                schedulers: []
             };
          }
@@ -822,7 +823,7 @@ export class PostgreSQLClient extends AntaresCore {
       if (this._schema !== 'public')
          await this.use(this._schema);
 
-      const body = func.returns ? func.sql : '$BODY$\n$BODY$';
+      const body = func.returns ? func.sql : '$function$\n$function$';
 
       const sql = `CREATE FUNCTION ${this._schema}.${func.name}(${parameters})
          RETURNS ${func.returns || 'void'}
@@ -833,6 +834,48 @@ export class PostgreSQLClient extends AntaresCore {
       return await this.raw(sql, { split: false });
    }
 
+   /**
+    * ALTER TRIGGER FUNCTION
+    *
+    * @returns {Array.<Object>} parameters
+    * @memberof PostgreSQLClient
+    */
+   async alterTriggerFunction (params) {
+      const { func } = params;
+
+      if (this._schema !== 'public')
+         await this.use(this._schema);
+
+      const body = func.returns ? func.sql : '$function$\n$function$';
+
+      const sql = `CREATE OR REPLACE FUNCTION ${this._schema}.${func.name}()
+         RETURNS TRIGGER
+         LANGUAGE ${func.language}
+         AS ${body}`;
+
+      return await this.raw(sql, { split: false });
+   }
+
+   /**
+    * CREATE TRIGGER FUNCTION
+    *
+    * @returns {Array.<Object>} parameters
+    * @memberof PostgreSQLClient
+    */
+   async createTriggerFunction (func) {
+      if (this._schema !== 'public')
+         await this.use(this._schema);
+
+      const body = func.returns ? func.sql : '$function$\r\nBEGIN\r\n\r\nEND\r\n$function$';
+
+      const sql = `CREATE FUNCTION ${this._schema}.${func.name}()
+         RETURNS TRIGGER
+         LANGUAGE ${func.language}
+         AS ${body}`;
+
+      return await this.raw(sql, { split: false });
+   }
+
    /**
     * SELECT * FROM pg_collation
     *

src/renderer/components/BaseContextMenu.vue

@@ -104,6 +104,7 @@ export default {
       cursor: pointer;
       justify-content: space-between;
       position: relative;
+      white-space: nowrap;
 
       .context-submenu {
         border-radius: $border-radius;

src/renderer/components/ModalNewFunction.vue

@@ -155,8 +155,8 @@ export default {
       if (this.customizations.languages)
          this.localFunction.language = this.customizations.languages[0];
 
-      if (this.customizations.procedureSql)
+      if (this.customizations.functionSql)
-         this.localFunction.sql = this.customizations.procedureSql;
+         this.localFunction.sql = this.customizations.functionSql;
       setTimeout(() => {
          this.$refs.firstInput.focus();
       }, 20);

src/renderer/components/ModalNewTriggerFunction.vue

@@ -0,0 +1,132 @@
+<template>
+   <ConfirmModal
+      :confirm-text="$t('word.confirm')"
+      size="400"
+      @confirm="confirmNewFunction"
+      @hide="$emit('close')"
+   >
+      <template :slot="'header'">
+         <div class="d-flex">
+            <i class="mdi mdi-24px mdi-plus mr-1" /> {{ $t('message.createNewFunction') }}
+         </div>
+      </template>
+      <div :slot="'body'">
+         <form class="form-horizontal">
+            <div class="form-group">
+               <label class="form-label col-4">
+                  {{ $t('word.name') }}
+               </label>
+               <div class="column">
+                  <input
+                     ref="firstInput"
+                     v-model="localFunction.name"
+                     class="form-input"
+                     type="text"
+                  >
+               </div>
+            </div>
+            <div v-if="customizations.languages" class="form-group">
+               <label class="form-label col-4">
+                  {{ $t('word.language') }}
+               </label>
+               <div class="column">
+                  <select v-model="localFunction.language" class="form-select">
+                     <option v-for="language in customizations.triggerFunctionlanguages" :key="language">
+                        {{ language }}
+                     </option>
+                  </select>
+               </div>
+            </div>
+            <div v-if="customizations.definer" class="form-group">
+               <label class="form-label col-4">
+                  {{ $t('word.definer') }}
+               </label>
+               <div class="column">
+                  <select
+                     v-if="workspace.users.length"
+                     v-model="localFunction.definer"
+                     class="form-select"
+                  >
+                     <option value="">
+                        {{ $t('message.currentUser') }}
+                     </option>
+                     <option
+                        v-for="user in workspace.users"
+                        :key="`${user.name}@${user.host}`"
+                        :value="`\`${user.name}\`@\`${user.host}\``"
+                     >
+                        {{ user.name }}@{{ user.host }}
+                     </option>
+                  </select>
+                  <select v-if="!workspace.users.length" class="form-select">
+                     <option value="">
+                        {{ $t('message.currentUser') }}
+                     </option>
+                  </select>
+               </div>
+            </div>
+            <div v-if="customizations.comment" class="form-group">
+               <label class="form-label col-4">
+                  {{ $t('word.comment') }}
+               </label>
+               <div class="column">
+                  <input
+                     v-model="localFunction.comment"
+                     class="form-input"
+                     type="text"
+                  >
+               </div>
+            </div>
+         </form>
+      </div>
+   </ConfirmModal>
+</template>
+
+<script>
+import ConfirmModal from '@/components/BaseConfirmModal';
+
+export default {
+   name: 'ModalNewTriggerFunction',
+   components: {
+      ConfirmModal
+   },
+   props: {
+      workspace: Object
+   },
+   data () {
+      return {
+         localFunction: {
+            definer: '',
+            sql: '',
+            name: '',
+            comment: '',
+            language: null
+         },
+         isOptionsChanging: false
+      };
+   },
+   computed: {
+      schema () {
+         return this.workspace.breadcrumbs.schema;
+      },
+      customizations () {
+         return this.workspace.customizations;
+      }
+   },
+   mounted () {
+      if (this.customizations.triggerFunctionlanguages)
+         this.localFunction.language = this.customizations.triggerFunctionlanguages[0];
+
+      if (this.customizations.triggerFunctionSql)
+         this.localFunction.sql = this.customizations.triggerFunctionSql;
+      setTimeout(() => {
+         this.$refs.firstInput.focus();
+      }, 20);
+   },
+   methods: {
+      confirmNewFunction () {
+         this.$emit('open-create-function-editor', this.localFunction);
+      }
+   }
+};
+</script>

src/renderer/components/Workspace.vue

@@ -127,6 +127,12 @@
             :connection="connection"
             :function="workspace.breadcrumbs.function"
          />
+         <WorkspacePropsTabTriggerFunction
+            v-show="selectedTab === 'prop' && workspace.breadcrumbs.triggerFunction"
+            :is-selected="selectedTab === 'prop'"
+            :connection="connection"
+            :function="workspace.breadcrumbs.triggerFunction"
+         />
          <WorkspacePropsTabScheduler
             v-show="selectedTab === 'prop' && workspace.breadcrumbs.scheduler"
             :is-selected="selectedTab === 'prop'"
@@ -165,6 +171,7 @@ import WorkspacePropsTabView from '@/components/WorkspacePropsTabView';
 import WorkspacePropsTabTrigger from '@/components/WorkspacePropsTabTrigger';
 import WorkspacePropsTabRoutine from '@/components/WorkspacePropsTabRoutine';
 import WorkspacePropsTabFunction from '@/components/WorkspacePropsTabFunction';
+import WorkspacePropsTabTriggerFunction from '@/components/WorkspacePropsTabTriggerFunction';
 import WorkspacePropsTabScheduler from '@/components/WorkspacePropsTabScheduler';
 import ModalProcessesList from '@/components/ModalProcessesList';
 
@@ -179,6 +186,7 @@ export default {
       WorkspacePropsTabTrigger,
       WorkspacePropsTabRoutine,
       WorkspacePropsTabFunction,
+      WorkspacePropsTabTriggerFunction,
       WorkspacePropsTabScheduler,
       ModalProcessesList
    },
@@ -208,6 +216,7 @@ export default {
          if (this.workspace.breadcrumbs.trigger && this.workspace.customizations.triggerSettings) return true;
          if (this.workspace.breadcrumbs.procedure && this.workspace.customizations.routineSettings) return true;
          if (this.workspace.breadcrumbs.function && this.workspace.customizations.functionSettings) return true;
+         if (this.workspace.breadcrumbs.triggerFunction && this.workspace.customizations.functionSettings) return true;
          if (this.workspace.breadcrumbs.scheduler && this.workspace.customizations.schedulerSettings) return true;
          return false;
       },
@@ -219,6 +228,7 @@ export default {
                this.workspace.breadcrumbs.trigger === null &&
                this.workspace.breadcrumbs.procedure === null &&
                this.workspace.breadcrumbs.function === null &&
+               this.workspace.breadcrumbs.triggerFunction === null &&
                this.workspace.breadcrumbs.scheduler === null &&
                ['data', 'prop'].includes(this.workspace.selected_tab)
             ) ||

src/renderer/components/WorkspaceExploreBar.vue

@@ -90,6 +90,12 @@
          @close="hideCreateFunctionModal"
          @open-create-function-editor="openCreateFunctionEditor"
       />
+      <ModalNewTriggerFunction
+         v-if="isNewTriggerFunctionModal"
+         :workspace="workspace"
+         @close="hideCreateTriggerFunctionModal"
+         @open-create-function-editor="openCreateTriggerFunctionEditor"
+      />
       <ModalNewScheduler
          v-if="isNewSchedulerModal"
          :workspace="workspace"
@@ -106,6 +112,7 @@
          @show-create-trigger-modal="showCreateTriggerModal"
          @show-create-routine-modal="showCreateRoutineModal"
          @show-create-function-modal="showCreateFunctionModal"
+         @show-create-trigger-function-modal="showCreateTriggerFunctionModal"
          @show-create-scheduler-modal="showCreateSchedulerModal"
          @reload="refresh"
       />
@@ -147,6 +154,7 @@ import ModalNewView from '@/components/ModalNewView';
 import ModalNewTrigger from '@/components/ModalNewTrigger';
 import ModalNewRoutine from '@/components/ModalNewRoutine';
 import ModalNewFunction from '@/components/ModalNewFunction';
+import ModalNewTriggerFunction from '@/components/ModalNewTriggerFunction';
 import ModalNewScheduler from '@/components/ModalNewScheduler';
 
 export default {
@@ -163,6 +171,7 @@ export default {
       ModalNewTrigger,
       ModalNewRoutine,
       ModalNewFunction,
+      ModalNewTriggerFunction,
       ModalNewScheduler
    },
    props: {
@@ -179,6 +188,7 @@ export default {
          isNewTriggerModal: false,
          isNewRoutineModal: false,
          isNewFunctionModal: false,
+         isNewTriggerFunctionModal: false,
          isNewSchedulerModal: false,
 
          localWidth: null,
@@ -403,6 +413,13 @@ export default {
       hideCreateFunctionModal () {
          this.isNewFunctionModal = false;
       },
+      showCreateTriggerFunctionModal () {
+         this.closeDatabaseContext();
+         this.isNewTriggerFunctionModal = true;
+      },
+      hideCreateTriggerFunctionModal () {
+         this.isNewTriggerFunctionModal = false;
+      },
       showCreateSchedulerModal () {
          this.closeDatabaseContext();
          this.isNewSchedulerModal = true;
@@ -426,6 +443,22 @@ export default {
          else
             this.addNotification({ status: 'error', message: response });
       },
+      async openCreateTriggerFunctionEditor (payload) {
+         const params = {
+            uid: this.connection.uid,
+            ...payload
+         };
+
+         const { status, response } = await Functions.createTriggerFunction(params);
+
+         if (status === 'success') {
+            await this.refresh();
+            this.changeBreadcrumbs({ schema: this.selectedDatabase, triggerFunction: payload.name });
+            this.selectTab({ uid: this.workspace.uid, tab: 'prop' });
+         }
+         else
+            this.addNotification({ status: 'error', message: response });
+      },
       async openCreateSchedulerEditor (payload) {
          const params = {
             uid: this.connection.uid,

src/renderer/components/WorkspaceExploreBarMiscContext.vue

@@ -84,6 +84,7 @@ export default {
             case 'procedure':
                return this.$t('message.deleteRoutine');
             case 'function':
+            case 'triggerFunction':
                return this.$t('message.deleteFunction');
             case 'scheduler':
                return this.$t('message.deleteScheduler');
@@ -135,6 +136,7 @@ export default {
                   });
                   break;
                case 'function':
+               case 'triggerFunction':
                   res = await Functions.dropFunction({
                      uid: this.selectedWorkspace,
                      func: this.selectedMisc.name

src/renderer/components/WorkspaceExploreBarSchema.vue

@@ -93,6 +93,34 @@
             </details>
          </div>
 
+         <div v-if="filteredTriggerFunctions.length && customizations.triggerFunctions" class="database-misc">
+            <details class="accordion">
+               <summary class="accordion-header misc-name" :class="{'text-bold': breadcrumbs.schema === database.name && breadcrumbs.triggerFunction}">
+                  <i class="misc-icon mdi mdi-18px mdi-folder-refresh mr-1" />
+                  {{ $tc('word.triggerFunction', 2) }}
+               </summary>
+               <div class="accordion-body">
+                  <div>
+                     <ul class="menu menu-nav pt-0">
+                        <li
+                           v-for="(func, i) of filteredTriggerFunctions"
+                           :key="`${func.name}-${i}`"
+                           class="menu-item"
+                           :class="{'text-bold': breadcrumbs.schema === database.name && breadcrumbs.triggerFunction === func.name}"
+                           @click="setBreadcrumbs({schema: database.name, triggerFunction: func.name})"
+                           @contextmenu.prevent="showMiscContext($event, {...func, type: 'triggerFunction'})"
+                        >
+                           <a class="table-name">
+                              <i class="table-icon mdi mdi-cog-clockwise mdi-18px mr-1" />
+                              <span v-html="highlightWord(func.name)" />
+                           </a>
+                        </li>
+                     </ul>
+                  </div>
+               </div>
+            </details>
+         </div>
+
          <div v-if="filteredFunctions.length && customizations.functions" class="database-misc">
             <details class="accordion">
                <summary class="accordion-header misc-name" :class="{'text-bold': breadcrumbs.schema === database.name && breadcrumbs.function}">
@@ -189,6 +217,11 @@ export default {
       filteredFunctions () {
          return this.database.functions.filter(func => func.name.search(this.searchTerm) >= 0);
       },
+      filteredTriggerFunctions () {
+         return this.database.triggerFunctions
+            ? this.database.triggerFunctions.filter(func => func.name.search(this.searchTerm) >= 0)
+            : [];
+      },
       filteredSchedulers () {
          return this.database.schedulers.filter(scheduler => scheduler.name.search(this.searchTerm) >= 0);
       },

src/renderer/components/WorkspaceExploreBarSchemaContext.vue

@@ -42,6 +42,13 @@
             >
                <span class="d-flex"><i class="mdi mdi-18px mdi-arrow-right-bold-box pr-1" /> {{ $tc('word.function', 1) }}</span>
             </div>
+            <div
+               v-if="workspace.customizations.triggerFunctionAdd"
+               class="context-element"
+               @click="showCreateTriggerFunctionModal"
+            >
+               <span class="d-flex"><i class="mdi mdi-18px mdi-cog-clockwise pr-1" /> {{ $tc('word.triggerFunction', 1) }}</span>
+            </div>
             <div
                v-if="workspace.customizations.schedulerAdd"
                class="context-element"
@@ -140,6 +147,9 @@ export default {
       showCreateFunctionModal () {
          this.$emit('show-create-function-modal');
       },
+      showCreateTriggerFunctionModal () {
+         this.$emit('show-create-trigger-function-modal');
+      },
       showCreateSchedulerModal () {
          this.$emit('show-create-scheduler-modal');
       },

src/renderer/components/WorkspacePropsTabFunction.vue

@@ -137,7 +137,9 @@ export default {
          return JSON.stringify(this.originalFunction) !== JSON.stringify(this.localFunction);
       },
       isDefinerInUsers () {
-         return this.originalFunction ? this.workspace.users.some(user => this.originalFunction.definer === `\`${user.name}\`@\`${user.host}\``) : true;
+         return this.originalFunction
+            ? this.workspace.users.some(user => this.originalFunction.definer === `\`${user.name}\`@\`${user.host}\``)
+            : true;
       },
       schemaTables () {
          const schemaTables = this.workspace.structure

src/renderer/components/WorkspacePropsTabTriggerFunction.vue

@@ -0,0 +1,315 @@
+<template>
+   <div class="workspace-query-tab column col-12 columns col-gapless">
+      <div class="workspace-query-runner column col-12">
+         <div class="workspace-query-runner-footer">
+            <div class="workspace-query-buttons">
+               <button
+                  class="btn btn-primary btn-sm"
+                  :disabled="!isChanged"
+                  :class="{'loading':isSaving}"
+                  title="CTRL+S"
+                  @click="saveChanges"
+               >
+                  <span>{{ $t('word.save') }}</span>
+                  <i class="mdi mdi-24px mdi-content-save ml-1" />
+               </button>
+               <button
+                  :disabled="!isChanged"
+                  class="btn btn-link btn-sm mr-0"
+                  :title="$t('message.clearChanges')"
+                  @click="clearChanges"
+               >
+                  <span>{{ $t('word.clear') }}</span>
+                  <i class="mdi mdi-24px mdi-delete-sweep ml-1" />
+               </button>
+
+               <div class="divider-vert py-3" />
+
+               <button class="btn btn-dark btn-sm" @click="showOptionsModal">
+                  <span>{{ $t('word.options') }}</span>
+                  <i class="mdi mdi-24px mdi-cogs ml-1" />
+               </button>
+            </div>
+         </div>
+      </div>
+      <div class="workspace-query-results column col-12 mt-2 p-relative">
+         <BaseLoader v-if="isLoading" />
+         <label class="form-label ml-2">{{ $t('message.functionBody') }}</label>
+         <QueryEditor
+            v-show="isSelected"
+            ref="queryEditor"
+            :value.sync="localFunction.sql"
+            :workspace="workspace"
+            :schema="schema"
+            :height="editorHeight"
+         />
+      </div>
+      <WorkspacePropsTriggerFunctionOptionsModal
+         v-if="isOptionsModal"
+         :local-options="localFunction"
+         :workspace="workspace"
+         @hide="hideOptionsModal"
+         @options-update="optionsUpdate"
+      />
+      <ModalAskParameters
+         v-if="isAskingParameters"
+         :local-routine="localFunction"
+         :client="workspace.client"
+         @confirm="runFunction"
+         @close="hideAskParamsModal"
+      />
+   </div>
+</template>
+
+<script>
+import { mapGetters, mapActions } from 'vuex';
+import { uidGen } from 'common/libs/uidGen';
+import BaseLoader from '@/components/BaseLoader';
+import QueryEditor from '@/components/QueryEditor';
+import WorkspacePropsTriggerFunctionOptionsModal from '@/components/WorkspacePropsTriggerFunctionOptionsModal';
+import ModalAskParameters from '@/components/ModalAskParameters';
+import Functions from '@/ipc-api/Functions';
+
+export default {
+   name: 'WorkspacePropsTabTriggerFunction',
+   components: {
+      BaseLoader,
+      QueryEditor,
+      WorkspacePropsTriggerFunctionOptionsModal,
+      ModalAskParameters
+   },
+   props: {
+      connection: Object,
+      function: String
+   },
+   data () {
+      return {
+         tabUid: 'prop',
+         isLoading: false,
+         isSaving: false,
+         isOptionsModal: false,
+         isParamsModal: false,
+         isAskingParameters: false,
+         originalFunction: null,
+         localFunction: { sql: '' },
+         lastFunction: null,
+         sqlProxy: '',
+         editorHeight: 300
+      };
+   },
+   computed: {
+      ...mapGetters({
+         selectedWorkspace: 'workspaces/getSelected',
+         getWorkspace: 'workspaces/getWorkspace'
+      }),
+      workspace () {
+         return this.getWorkspace(this.connection.uid);
+      },
+      isSelected () {
+         return this.workspace.selected_tab === 'prop' && this.selectedWorkspace === this.workspace.uid && this.function;
+      },
+      schema () {
+         return this.workspace.breadcrumbs.schema;
+      },
+      isChanged () {
+         return JSON.stringify(this.originalFunction) !== JSON.stringify(this.localFunction);
+      },
+      isDefinerInUsers () {
+         return this.originalFunction
+            ? this.workspace.users.some(user => this.originalFunction.definer === `\`${user.name}\`@\`${user.host}\``)
+            : true;
+      },
+      schemaTables () {
+         const schemaTables = this.workspace.structure
+            .filter(schema => schema.name === this.schema)
+            .map(schema => schema.tables);
+
+         return schemaTables.length ? schemaTables[0].filter(table => table.type === 'table') : [];
+      }
+   },
+   watch: {
+      async function () {
+         if (this.isSelected) {
+            await this.getFunctionData();
+            this.$refs.queryEditor.editor.session.setValue(this.localFunction.sql);
+            this.lastFunction = this.function;
+         }
+      },
+      async isSelected (val) {
+         if (val && this.lastFunction !== this.function) {
+            await this.getFunctionData();
+            this.$refs.queryEditor.editor.session.setValue(this.localFunction.sql);
+            this.lastFunction = this.function;
+         }
+      },
+      isChanged (val) {
+         if (this.isSelected && this.lastFunction === this.function && this.function !== null)
+            this.setUnsavedChanges(val);
+      }
+   },
+   mounted () {
+      window.addEventListener('resize', this.resizeQueryEditor);
+   },
+   destroyed () {
+      window.removeEventListener('resize', this.resizeQueryEditor);
+   },
+   created () {
+      window.addEventListener('keydown', this.onKey);
+   },
+   beforeDestroy () {
+      window.removeEventListener('keydown', this.onKey);
+   },
+   methods: {
+      ...mapActions({
+         addNotification: 'notifications/addNotification',
+         refreshStructure: 'workspaces/refreshStructure',
+         setUnsavedChanges: 'workspaces/setUnsavedChanges',
+         changeBreadcrumbs: 'workspaces/changeBreadcrumbs',
+         newTab: 'workspaces/newTab'
+      }),
+      async getFunctionData () {
+         if (!this.function) return;
+
+         this.isLoading = true;
+         this.localFunction = { sql: '' };
+
+         const params = {
+            uid: this.connection.uid,
+            schema: this.schema,
+            func: this.workspace.breadcrumbs.triggerFunction
+         };
+
+         try {
+            const { status, response } = await Functions.getFunctionInformations(params);
+            if (status === 'success') {
+               this.originalFunction = response;
+
+               this.originalFunction.parameters = [...this.originalFunction.parameters.map(param => {
+                  param._id = uidGen();
+                  return param;
+               })];
+
+               this.localFunction = JSON.parse(JSON.stringify(this.originalFunction));
+               this.sqlProxy = this.localFunction.sql;
+            }
+            else
+               this.addNotification({ status: 'error', message: response });
+         }
+         catch (err) {
+            this.addNotification({ status: 'error', message: err.stack });
+         }
+
+         this.resizeQueryEditor();
+         this.isLoading = false;
+      },
+      async saveChanges () {
+         if (this.isSaving) return;
+         this.isSaving = true;
+         const params = {
+            uid: this.connection.uid,
+            schema: this.schema,
+            func: {
+               ...this.localFunction,
+               oldName: this.originalFunction.name
+            }
+         };
+
+         try {
+            const { status, response } = await Functions.alterTriggerFunction(params);
+
+            if (status === 'success') {
+               const oldName = this.originalFunction.name;
+
+               await this.refreshStructure(this.connection.uid);
+
+               if (oldName !== this.localFunction.name) {
+                  this.setUnsavedChanges(false);
+                  this.changeBreadcrumbs({ schema: this.schema, function: this.localFunction.name });
+               }
+
+               this.getFunctionData();
+            }
+            else
+               this.addNotification({ status: 'error', message: response });
+         }
+         catch (err) {
+            this.addNotification({ status: 'error', message: err.stack });
+         }
+
+         this.isSaving = false;
+      },
+      clearChanges () {
+         this.localFunction = JSON.parse(JSON.stringify(this.originalFunction));
+         this.$refs.queryEditor.editor.session.setValue(this.localFunction.sql);
+      },
+      resizeQueryEditor () {
+         if (this.$refs.queryEditor) {
+            const footer = document.getElementById('footer');
+            const size = window.innerHeight - this.$refs.queryEditor.$el.getBoundingClientRect().top - footer.offsetHeight;
+            this.editorHeight = size;
+            this.$refs.queryEditor.editor.resize();
+         }
+      },
+      optionsUpdate (options) {
+         this.localFunction = options;
+      },
+      parametersUpdate (parameters) {
+         this.localFunction = { ...this.localFunction, parameters };
+      },
+      runFunctionCheck () {
+         if (this.localFunction.parameters.length)
+            this.showAskParamsModal();
+         else
+            this.runFunction();
+      },
+      runFunction (params) {
+         if (!params) params = [];
+
+         let sql;
+         switch (this.connection.client) { // TODO: move in a better place
+            case 'maria':
+            case 'mysql':
+               sql = `SELECT \`${this.originalFunction.name}\` (${params.join(',')})`;
+               break;
+            case 'pg':
+               sql = `SELECT ${this.originalFunction.name}(${params.join(',')})`;
+               break;
+            case 'mssql':
+               sql = `SELECT ${this.originalFunction.name} ${params.join(',')}`;
+               break;
+            default:
+               sql = `SELECT \`${this.originalFunction.name}\` (${params.join(',')})`;
+         }
+
+         this.newTab({ uid: this.connection.uid, content: sql, autorun: true });
+      },
+      showOptionsModal () {
+         this.isOptionsModal = true;
+      },
+      hideOptionsModal () {
+         this.isOptionsModal = false;
+      },
+      showParamsModal () {
+         this.isParamsModal = true;
+      },
+      hideParamsModal () {
+         this.isParamsModal = false;
+      },
+      showAskParamsModal () {
+         this.isAskingParameters = true;
+      },
+      hideAskParamsModal () {
+         this.isAskingParameters = false;
+      },
+      onKey (e) {
+         if (this.isSelected) {
+            e.stopPropagation();
+            if (e.ctrlKey && e.keyCode === 83) { // CTRL + S
+               if (this.isChanged)
+                  this.saveChanges();
+            }
+         }
+      }
+   }
+};
+</script>

src/renderer/components/WorkspacePropsTriggerFunctionOptionsModal.vue

@@ -0,0 +1,125 @@
+<template>
+   <ConfirmModal
+      :confirm-text="$t('word.confirm')"
+      size="400"
+      @confirm="confirmOptionsChange"
+      @hide="$emit('hide')"
+   >
+      <template :slot="'header'">
+         <div class="d-flex">
+            <i class="mdi mdi-24px mdi-cogs mr-1" />
+            <span class="cut-text">{{ $t('word.options') }} "{{ localOptions.name }}"</span>
+         </div>
+      </template>
+      <div :slot="'body'">
+         <form class="form-horizontal">
+            <div v-if="customizations.triggerFunctionlanguages" class="form-group">
+               <label class="form-label col-4">
+                  {{ $t('word.language') }}
+               </label>
+               <div class="column">
+                  <select v-model="optionsProxy.language" class="form-select">
+                     <option v-for="language in customizations.triggerFunctionlanguages" :key="language">
+                        {{ language }}
+                     </option>
+                  </select>
+               </div>
+            </div>
+            <div v-if="customizations.definer" class="form-group">
+               <label class="form-label col-4">
+                  {{ $t('word.definer') }}
+               </label>
+               <div class="column">
+                  <select
+                     v-if="workspace.users.length"
+                     v-model="optionsProxy.definer"
+                     class="form-select"
+                  >
+                     <option value="">
+                        {{ $t('message.currentUser') }}
+                     </option>
+                     <option
+                        v-for="user in workspace.users"
+                        :key="`${user.name}@${user.host}`"
+                        :value="`\`${user.name}\`@\`${user.host}\``"
+                     >
+                        {{ user.name }}@{{ user.host }}
+                     </option>
+                  </select>
+                  <select v-if="!workspace.users.length" class="form-select">
+                     <option value="">
+                        {{ $t('message.currentUser') }}
+                     </option>
+                  </select>
+               </div>
+            </div>
+            <div v-if="customizations.comment" class="form-group">
+               <label class="form-label col-4">
+                  {{ $t('word.comment') }}
+               </label>
+               <div class="column">
+                  <input
+                     v-model="optionsProxy.comment"
+                     class="form-input"
+                     type="text"
+                  >
+               </div>
+            </div>
+         </form>
+      </div>
+   </ConfirmModal>
+</template>
+
+<script>
+import ConfirmModal from '@/components/BaseConfirmModal';
+
+export default {
+   name: 'WorkspacePropsTriggerFunctionOptionsModal',
+   components: {
+      ConfirmModal
+   },
+   props: {
+      localOptions: Object,
+      workspace: Object
+   },
+   data () {
+      return {
+         optionsProxy: {},
+         isOptionsChanging: false
+      };
+   },
+   computed: {
+      isTableNameValid () {
+         return this.optionsProxy.name !== '';
+      },
+      customizations () {
+         return this.workspace.customizations;
+      },
+      isInDataTypes () {
+         let typeNames = [];
+         for (const group of this.workspace.dataTypes) {
+            typeNames = group.types.reduce((acc, curr) => {
+               acc.push(curr.name);
+               return acc;
+            }, []);
+         }
+         return typeNames.includes(this.localOptions.returns);
+      }
+   },
+   created () {
+      this.optionsProxy = JSON.parse(JSON.stringify(this.localOptions));
+
+      setTimeout(() => {
+         this.$refs.firstInput.focus();
+      }, 20);
+   },
+   methods: {
+      confirmOptionsChange () {
+         if (!this.isTableNameValid)
+            this.optionsProxy.name = this.localOptions.name;
+
+         this.$emit('options-update', this.optionsProxy);
+      }
+   }
+};
+</script>

src/renderer/i18n/en-US.js

@@ -111,7 +111,8 @@ module.exports = {
       medium: 'Medium',
       large: 'Large',
       row: 'Row | Rows',
-      cell: 'Cell | Cells'
+      cell: 'Cell | Cells',
+      triggerFunction: 'Trigger function | Trigger functions'
    },
    message: {
       appWelcome: 'Welcome to Antares SQL Client!',

src/renderer/ipc-api/Functions.js

@@ -14,7 +14,15 @@ export default class {
       return ipcRenderer.invoke('alter-function', params);
    }
 
+   static alterTriggerFunction (params) {
+      return ipcRenderer.invoke('alter-trigger-function', params);
+   }
+
    static createFunction (params) {
       return ipcRenderer.invoke('create-function', params);
    }
+
+   static createTriggerFunction (params) {
+      return ipcRenderer.invoke('create-trigger-function', params);
+   }
 }