[parser] ast/functions: Add built-in function tidb_decode_sql_digests (…

…pingcap#1289)
MyonKeminta · Oct 9, 2021 · eb90a16 · eb90a16
1 parent 238f296
commit eb90a16
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Showing 2 changed files with 23 additions and 21 deletions.
diff --git a/parser/ast/functions.go b/parser/ast/functions.go
@@ -238,27 +238,28 @@ const (
 	Soundex         = "soundex"
 
 	// information functions
-	Benchmark      = "benchmark"
-	Charset        = "charset"
-	Coercibility   = "coercibility"
-	Collation      = "collation"
-	ConnectionID   = "connection_id"
-	CurrentUser    = "current_user"
-	CurrentRole    = "current_role"
-	Database       = "database"
-	FoundRows      = "found_rows"
-	LastInsertId   = "last_insert_id"
-	RowCount       = "row_count"
-	Schema         = "schema"
-	SessionUser    = "session_user"
-	SystemUser     = "system_user"
-	User           = "user"
-	Version        = "version"
-	TiDBVersion    = "tidb_version"
-	TiDBIsDDLOwner = "tidb_is_ddl_owner"
-	TiDBDecodePlan = "tidb_decode_plan"
-	FormatBytes    = "format_bytes"
-	FormatNanoTime = "format_nano_time"
+	Benchmark            = "benchmark"
+	Charset              = "charset"
+	Coercibility         = "coercibility"
+	Collation            = "collation"
+	ConnectionID         = "connection_id"
+	CurrentUser          = "current_user"
+	CurrentRole          = "current_role"
+	Database             = "database"
+	FoundRows            = "found_rows"
+	LastInsertId         = "last_insert_id"
+	RowCount             = "row_count"
+	Schema               = "schema"
+	SessionUser          = "session_user"
+	SystemUser           = "system_user"
+	User                 = "user"
+	Version              = "version"
+	TiDBVersion          = "tidb_version"
+	TiDBIsDDLOwner       = "tidb_is_ddl_owner"
+	TiDBDecodePlan       = "tidb_decode_plan"
+	TiDBDecodeSQLDigests = "tidb_decode_sql_digests"
+	FormatBytes          = "format_bytes"
+	FormatNanoTime       = "format_nano_time"
 
 	// control functions
 	If     = "if"

diff --git a/parser/parser_test.go b/parser/parser_test.go
@@ -1507,6 +1507,7 @@ func (s *testParserSuite) TestBuiltin(c *C) {
 		{`SELECT tidb_decode_plan();`, true, "SELECT TIDB_DECODE_PLAN()"},
 		{`SELECT tidb_decode_key('abc');`, true, "SELECT TIDB_DECODE_KEY(_UTF8MB4'abc')"},
 		{`SELECT tidb_decode_base64_key('abc');`, true, "SELECT TIDB_DECODE_BASE64_KEY(_UTF8MB4'abc')"},
+		{`SELECT tidb_decode_sql_digests('[]');`, true, "SELECT TIDB_DECODE_SQL_DIGESTS(_UTF8MB4'[]')"},
 		{`SELECT get_mvcc_info('hex', '0xabc');`, true, "SELECT GET_MVCC_INFO(_UTF8MB4'hex', _UTF8MB4'0xabc')"},
 
 		// for time fsp