fix: fix duplicate 'mysql' database issue (#284)

* fix: fix duplicate 'mysql' database issue Fixes #283
apecloud · Dec 13, 2024 · 68f29ab · 68f29ab
1 parent d4498cb
commit 68f29ab
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diff --git a/catalog/provider.go b/catalog/provider.go
@@ -168,7 +168,7 @@ func (prov *DatabaseProvider) AllDatabases(ctx *sql.Context) []sql.Database {
 		}
 
 		switch schemaName {
-		case "information_schema", "pg_catalog", "__sys__":
+		case "information_schema", "pg_catalog", "__sys__", "mysql":
 			continue
 		}
 

diff --git a/test/bats/mysql/unique_databases.bats b/test/bats/mysql/unique_databases.bats
@@ -0,0 +1,8 @@
+#!/usr/bin/env bats
+
+@test "Ensure every database reported by SHOW DATABASES is unique" {
+  run mysql -h 127.0.0.1 -u root --raw --batch --skip-column-names -e "SHOW DATABASES"
+  [ "$status" -eq 0 ]
+  unique_databases=$(echo "$output" | sort | uniq -d)
+  [ -z "$unique_databases" ]
+}