parser: Add FLOAT4,FLOAT8 and MIDDLEINT compatibility types (#46649)

* parser: Add FLOAT4,FLOAT8 and MIDDLEINT compatibility types

Author: dveeden

parser/misc.go

@@ -374,6 +374,8 @@ var tokenMap = map[string]int{
 	"FIXED":                    fixed,
 	"FLASHBACK":                flashback,
 	"FLOAT":                    floatType,
+	"FLOAT4":                   float4Type,
+	"FLOAT8":                   float8Type,
 	"FLUSH":                    flush,
 	"FOLLOWER":                 follower,
 	"FOLLOWERS":                followers,
@@ -517,6 +519,7 @@ var tokenMap = map[string]int{
 	"MERGE":                    merge,
 	"METADATA":                 metadata,
 	"MICROSECOND":              microsecond,
+	"MIDDLEINT":                middleIntType,
 	"MIN_ROWS":                 minRows,
 	"MIN":                      min,
 	"MINUTE_MICROSECOND":       minuteMicrosecond,