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feat(PostgreSQL): export triggers

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This commit is contained in:
Fabio Di Stasio
2022-03-22 17:25:34 +01:00
parent 86f011f34f
commit 42376b4bc6
1 changed files with 15 additions and 76 deletions
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91
src/main/libs/exporters/sql/PostgreSQLExporter.js
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@ -305,9 +305,7 @@ SET row_security = off;\n\n\n`;
}
async getViews () {
const { rows: views } = await this._client.raw(
`SELECT * FROM "pg_views" WHERE "schemaname"='${this.schemaName}'`
);
const { rows: views } = await this._client.raw(`SELECT * FROM "pg_views" WHERE "schemaname"='${this.schemaName}'`);
let sqlString = '';
for (const view of views) {
@ -320,83 +318,24 @@ SET row_security = off;\n\n\n`;
async getTriggers () {
const { rows: triggers } = await this._client.raw(
`SHOW TRIGGERS FROM \`${this.schemaName}\``
`SELECT * FROM "information_schema"."triggers" WHERE "trigger_schema"='${this.schemaName}'`
);
const generatedTables = this._tables
.filter(t => t.includeStructure)
.map(t => t.table);
let sqlString = '';
for (const trigger of triggers) {
const {
Trigger: name,
Timing: timing,
Event: event,
Table: table,
Statement: statement,
sql_mode: sqlMode
} = trigger;
if (!generatedTables.includes(table)) continue;
const definer = this.getEscapedDefiner(trigger.Definer);
sqlString += '/*!50003 SET @OLD_SQL_MODE=@@SQL_MODE*/;;\n';
sqlString += `/*!50003 SET SQL_MODE="${sqlMode}" */;\n`;
sqlString += 'DELIMITER ;;\n';
sqlString += '/*!50003 CREATE*/ ';
sqlString += `/*!50017 DEFINER=${definer}*/ `;
sqlString += `/*!50003 TRIGGER \`${name}\` ${timing} ${event} ON \`${table}\` FOR EACH ROW ${statement}*/;;\n`;
sqlString += 'DELIMITER ;\n';
sqlString += '/*!50003 SET SQL_MODE=@OLD_SQL_MODE */;\n\n';
}
return sqlString;
}
async getSchedulers () {
const { rows: schedulers } = await this._client.raw(
`SELECT *, EVENT_SCHEMA AS \`Db\`, EVENT_NAME AS \`Name\` FROM information_schema.\`EVENTS\` WHERE EVENT_SCHEMA = '${this.schemaName}'`
);
let sqlString = '';
for (const scheduler of schedulers) {
const {
EVENT_NAME: name,
SQL_MODE: sqlMode,
EVENT_TYPE: type,
INTERVAL_VALUE: intervalValue,
INTERVAL_FIELD: intervalField,
STARTS: starts,
ENDS: ends,
EXECUTE_AT: at,
ON_COMPLETION: onCompletion,
STATUS: status,
EVENT_DEFINITION: definition
} = scheduler;
const definer = this.getEscapedDefiner(scheduler.DEFINER);
const comment = this.escapeAndQuote(scheduler.EVENT_COMMENT);
sqlString += `/*!50106 DROP EVENT IF EXISTS \`${name}\` */;\n`;
sqlString += '/*!50003 SET @OLD_SQL_MODE=@@SQL_MODE*/;;\n';
sqlString += `/*!50003 SET SQL_MODE='${sqlMode}' */;\n`;
sqlString += 'DELIMITER ;;\n';
sqlString += '/*!50106 CREATE*/ ';
sqlString += `/*!50117 DEFINER=${definer}*/ `;
sqlString += `/*!50106 EVENT \`${name}\` ON SCHEDULE `;
if (type === 'RECURRING') {
sqlString += `EVERY ${intervalValue} ${intervalField} STARTS '${starts}' `;
if (ends) sqlString += `ENDS '${ends}' `;
const remappedTriggers = triggers.reduce((acc, trigger) => {
const i = acc.findIndex(t => t.trigger_name === trigger.trigger_name && t.event_object_table === trigger.event_object_table);
if (i === -1) {
trigger.events = [trigger.event_manipulation];
acc.push(trigger);
}
else sqlString += `AT '${at}' `;
sqlString += `ON COMPLETION ${onCompletion} ${
status === 'disabled' ? 'DISABLE' : 'ENABLE'
} COMMENT ${comment || '\'\''} DO ${definition}*/;;\n`;
sqlString += 'DELIMITER ;\n';
sqlString += '/*!50003 SET SQL_MODE=@OLD_SQL_MODE*/;;\n';
}
else
acc[i].events.push(trigger.event_manipulation);
return acc;
}, []);
for (const trigger of remappedTriggers)
sqlString += `\nCREATE TRIGGER "${trigger.trigger_name}" ${trigger.action_timing} ${trigger.events.join(' OR ')} ON "${trigger.event_object_table}" FOR EACH ${trigger.action_orientation} ${trigger.action_statement};\n`;
return sqlString;
}