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Code Issues Releases Wiki Activity

perf(PostgreSQL): improved views exportation

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This commit is contained in:
Fabio Di Stasio
2022-04-01 18:36:02 +02:00
parent 408ddeda56
commit 638a88a1fb
1 changed files with 20 additions and 1 deletions
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21
src/main/libs/exporters/sql/PostgreSQLExporter.js
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@@ -352,7 +352,26 @@ SET row_security = off;\n\n\n`;
for (const view of views) {
sqlString += `\nDROP VIEW IF EXISTS "${view.viewname}";\n`;
sqlString += `\nCREATE VIEW "${view.viewname}" AS \n${view.definition}\n`;
const { rows: columns } = await this._client
.select('*')
.schema('information_schema')
.from('columns')
.where({ table_schema: `= '${this.schemaName}'`, table_name: `= '${view.viewname}'` })
.orderBy({ ordinal_position: 'ASC' })
.run();
sqlString += `
CREATE VIEW "${view.viewname}" AS
SELECT
${columns.reduce((acc, curr) => {
const fieldType = curr.data_type === 'USER-DEFINED' ? curr.udt_name : curr.data_type;
acc.push(`NULL::${fieldType}${curr.character_maximum_length ? `(${curr.character_maximum_length})` : ''} AS "${curr.column_name}"`);
return acc;
}, []).join(',\n ')};
`;
sqlString += `\nCREATE OR REPLACE VIEW "${view.viewname}" AS \n${view.definition}\n`;
}
return sqlString;