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Use older Oracle optimizer features for better data dictionary performance (#13076)

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This commit is contained in:
Aiden Foxx
2022-05-02 16:19:30 +02:00
committed by GitHub
parent 70570a5f75
commit 2feb47c629
1 changed files with 6 additions and 3 deletions
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9
packages/schema/src/dialects/oracledb.ts
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@@ -49,17 +49,20 @@ export default class Oracle extends KnexOracle implements SchemaInspector {
*/
const columns = await this.knex.raw<RawColumn[]>(`
WITH "uc" AS (
SELECT /*+ materialize */
SELECT /*+ MATERIALIZE */
"uc"."TABLE_NAME",
"ucc"."COLUMN_NAME",
"uc"."CONSTRAINT_TYPE",
COUNT(*) OVER(PARTITION BY "uc"."CONSTRAINT_NAME") "CONSTRAINT_COUNT"
COUNT(*) OVER(
PARTITION BY
"uc"."CONSTRAINT_NAME"
) "CONSTRAINT_COUNT"
FROM "USER_CONSTRAINTS" "uc"
INNER JOIN "USER_CONS_COLUMNS" "ucc"
ON "uc"."CONSTRAINT_NAME" = "ucc"."CONSTRAINT_NAME"
AND "uc"."CONSTRAINT_TYPE" = 'P'
)
SELECT
SELECT /*+ OPTIMIZER_FEATURES_ENABLE('11.2.0.4') */
"c"."TABLE_NAME" "table_name",
"c"."COLUMN_NAME" "column_name",
"c"."DATA_DEFAULT" "default_value",