fix: Inaccurate table total row count for PostgreSQL (#8511)

patelmilanun · web-flow · commit 0823a02fbf80 · 2023-05-28T13:32:02.000+02:00
diff --git a/src/Adapters/Storage/Postgres/PostgresStorageAdapter.js b/src/Adapters/Storage/Postgres/PostgresStorageAdapter.js
@@ -2040,7 +2040,7 @@ export class PostgresStorageAdapter implements StorageAdapter {
     if (where.pattern.length > 0 || !estimate) {
       qs = `SELECT count(*) FROM $1:name ${wherePattern}`;
     } else {
-      qs = 'SELECT reltuples AS approximate_row_count FROM pg_class WHERE relname = $1';
+      qs = 'SELECT n_live_tup AS approximate_row_count FROM pg_stat_all_tables WHERE relname = $1;';
     }
 
     return this._client

Original file line number	Diff line number	Diff line change
`@@ -2040,7 +2040,7 @@ export class PostgresStorageAdapter implements StorageAdapter {`
`2040`	`2040`	`if (where.pattern.length > 0 \|\| !estimate) {`
`2041`	`2041`	qs = `SELECT count(*) FROM $1:name ${wherePattern}`;
`2042`	`2042`	`} else {`
`2043`		`- qs = 'SELECT reltuples AS approximate_row_count FROM pg_class WHERE relname = $1';`
	`2043`	`+ qs = 'SELECT n_live_tup AS approximate_row_count FROM pg_stat_all_tables WHERE relname = $1;';`
`2044`	`2044`	`}`
`2045`	`2045`
`2046`	`2046`	`return this._client`