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[no-release-notes] info schema set as main db panic test #2873

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Merged
max-hoffman merged 2 commits into from
Mar 5, 2025
Merged

[no-release-notes] info schema set as main db panic test #2873

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[no-release-notes] info schema set as main db panic test
max-hoffman Mar 4, 2025
54b3cc0
edit query a bit
max-hoffman Mar 4, 2025
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12 changes: 12 additions & 0 deletions enginetest/queries/information_schema_queries.go
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Original file line number Diff line number Diff line change
Expand Up @@ -874,6 +874,18 @@ var InfoSchemaScripts = []ScriptTest{
},
},
},
{
Name: "issue 8930: connect to info schema",
SetUpScript: []string{
"use information_schema",
},
Assertions: []ScriptTestAssertion{
{
Query: "SELECT C.COLUMN_NAME AS label, 'connection.column' as \"type\", C.TABLE_NAME AS \"table\", C.DATA_TYPE AS \"dataType\", CAST(C.CHARACTER_MAXIMUM_LENGTH AS UNSIGNED) AS size, CAST(UPPER( CONCAT( C.DATA_TYPE, CASE WHEN C.DATA_TYPE = 'text' THEN '' ELSE ( CASE WHEN C.CHARACTER_MAXIMUM_LENGTH > 0 THEN ( CONCAT('(', C.CHARACTER_MAXIMUM_LENGTH, ')') ) ELSE '' END ) END ) ) AS CHAR CHARACTER SET utf8) AS \"detail\", C.TABLE_CATALOG AS \"catalog\", C.TABLE_SCHEMA AS \"database\", C.TABLE_SCHEMA AS \"schema\", C.COLUMN_DEFAULT AS \"defaultValue\", C.IS_NULLABLE AS \"isNullable\", (CASE WHEN C.COLUMN_KEY = 'PRI' THEN 1 ELSE 0 END) AS \"isPk\", (CASE WHEN KCU.REFERENCED_COLUMN_NAME IS NULL THEN 0 ELSE 1 END) AS \"isFk\" FROM INFORMATION_SCHEMA.COLUMNS AS C LEFT JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE AS KCU ON ( C.TABLE_NAME = KCU.TABLE_NAME AND C.TABLE_SCHEMA = KCU.TABLE_SCHEMA AND C.TABLE_CATALOG = KCU.TABLE_CATALOG AND C.COLUMN_NAME = KCU.COLUMN_NAME ) JOIN INFORMATION_SCHEMA.TABLES AS T ON C.TABLE_NAME = T.TABLE_NAME AND C.TABLE_SCHEMA = T.TABLE_SCHEMA AND C.TABLE_CATALOG = T.TABLE_CATALOG WHERE C.TABLE_SCHEMA = 'dev' AND C.TABLE_NAME = 'countries' AND C.TABLE_CATALOG = 'def' ORDER BY C.TABLE_NAME, C.ORDINAL_POSITION",
Expected: []sql.Row{},
},
},
},
{
Name: "query does not use optimization rule on LIKE clause because info_schema db charset is utf8mb3",
SetUpScript: []string{
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