diff --git a/sql3/planner/compileshow.go b/sql3/planner/compileshow.go
index 129f00cc0..ab4203106 100644
--- a/sql3/planner/compileshow.go
+++ b/sql3/planner/compileshow.go
@@ -94,9 +94,9 @@ func (p *ExecutionPlanner) compileShowTablesStatement(ctx context.Context, stmt
 	columns := []types.PlanExpression{
 		&qualifiedRefPlanExpression{
 			tableName:   "fb_tables",
-			columnName:  "onject_id",
+			columnName:  string(dax.PrimaryKeyFieldName),
 			columnIndex: 0,
-			dataType:    parser.NewDataTypeInt(),
+			dataType:    parser.NewDataTypeString(),
 		},
 		&qualifiedRefPlanExpression{
 			tableName:   "fb_tables",
diff --git a/sql3/test/defs/defs_sql1.go b/sql3/test/defs/defs_sql1.go
index d0fa34b6c..736e00193 100644
--- a/sql3/test/defs/defs_sql1.go
+++ b/sql3/test/defs/defs_sql1.go
@@ -478,6 +478,7 @@ var sql1TestsQueries = TableTest{
 				hdr("cache_type", fldTypeString),
 				hdr("cache_size", fldTypeInt),
 				hdr("scale", fldTypeInt),
+				hdr("length", fldTypeInt),
 				hdr("min", fldTypeInt),
 				hdr("max", fldTypeInt),
 				hdr("timeunit", fldTypeString),