diff --git a/cmd/explaintest/r/collation_agg_func_disabled.result b/cmd/explaintest/r/collation_agg_func_disabled.result index 75ba58783482b..f0297f70b094c 100644 --- a/cmd/explaintest/r/collation_agg_func_disabled.result +++ b/cmd/explaintest/r/collation_agg_func_disabled.result @@ -200,11 +200,9 @@ select min(b) from tt; min(b) B desc format='brief' select min(b collate utf8mb4_bin) from tt; -id estRows task access object operator info -StreamAgg 1.00 root funcs:min(Column#8)->Column#6 -└─TableReader 1.00 root data:StreamAgg - └─StreamAgg 1.00 cop[tikv] funcs:min(cast(collation_agg_func.tt.b, enum('a','B','c')))->Column#8 - └─TableFullScan 10000.00 cop[tikv] table:tt keep order:false, stats:pseudo +Error 1235: This version of TiDB doesn't yet support 'use collate clause for enum or set' +select min(b collate utf8mb4_bin) from tt; +Error 1235: This version of TiDB doesn't yet support 'use collate clause for enum or set' desc format='brief' select max(b) from tt; id estRows task access object operator info StreamAgg 1.00 root funcs:max(Column#8)->Column#6 @@ -215,11 +213,9 @@ select max(b) from tt; max(b) c desc format='brief' select max(b collate utf8mb4_bin) from tt; -id estRows task access object operator info -StreamAgg 1.00 root funcs:max(Column#8)->Column#6 -└─TableReader 1.00 root data:StreamAgg - └─StreamAgg 1.00 cop[tikv] funcs:max(cast(collation_agg_func.tt.b, enum('a','B','c')))->Column#8 - └─TableFullScan 10000.00 cop[tikv] table:tt keep order:false, stats:pseudo +Error 1235: This version of TiDB doesn't yet support 'use collate clause for enum or set' +select max(b collate utf8mb4_bin) from tt; +Error 1235: This version of TiDB doesn't yet support 'use collate clause for enum or set' desc format='brief' select min(c) from tt; id estRows task access object operator info HashAgg 1.00 root funcs:min(collation_agg_func.tt.c)->Column#6 @@ -229,11 +225,9 @@ select min(c) from tt; min(c) B desc format='brief' select min(c collate utf8mb4_bin) from tt; -id estRows task access object operator info -HashAgg 1.00 root funcs:min(Column#7)->Column#6 -└─Projection 10000.00 root cast(collation_agg_func.tt.c, set('a','B','c'))->Column#7 - └─TableReader 10000.00 root data:TableFullScan - └─TableFullScan 10000.00 cop[tikv] table:tt keep order:false, stats:pseudo +Error 1235: This version of TiDB doesn't yet support 'use collate clause for enum or set' +select min(c collate utf8mb4_bin) from tt; +Error 1235: This version of TiDB doesn't yet support 'use collate clause for enum or set' desc format='brief' select max(c) from tt; id estRows task access object operator info HashAgg 1.00 root funcs:max(collation_agg_func.tt.c)->Column#6 @@ -243,11 +237,9 @@ select max(c) from tt; max(c) c desc format='brief' select max(c collate utf8mb4_bin) from tt; -id estRows task access object operator info -HashAgg 1.00 root funcs:max(Column#7)->Column#6 -└─Projection 10000.00 root cast(collation_agg_func.tt.c, set('a','B','c'))->Column#7 - └─TableReader 10000.00 root data:TableFullScan - └─TableFullScan 10000.00 cop[tikv] table:tt keep order:false, stats:pseudo +Error 1235: This version of TiDB doesn't yet support 'use collate clause for enum or set' +select max(c collate utf8mb4_bin) from tt; +Error 1235: This version of TiDB doesn't yet support 'use collate clause for enum or set' desc format='brief' select min(d) from tt; id estRows task access object operator info StreamAgg 1.00 root funcs:min(collation_agg_func.tt.d)->Column#6 diff --git a/cmd/explaintest/r/collation_agg_func_enabled.result b/cmd/explaintest/r/collation_agg_func_enabled.result index ebc4f51ad36ce..e40627439cd88 100644 --- a/cmd/explaintest/r/collation_agg_func_enabled.result +++ b/cmd/explaintest/r/collation_agg_func_enabled.result @@ -197,11 +197,9 @@ select min(b) from tt; min(b) a desc format='brief' select min(b collate utf8mb4_bin) from tt; -id estRows task access object operator info -StreamAgg 1.00 root funcs:min(Column#8)->Column#6 -└─TableReader 1.00 root data:StreamAgg - └─StreamAgg 1.00 cop[tikv] funcs:min(cast(collation_agg_func.tt.b, enum('a','B','c')))->Column#8 - └─TableFullScan 10000.00 cop[tikv] table:tt keep order:false, stats:pseudo +Error 1235: This version of TiDB doesn't yet support 'use collate clause for enum or set' +select min(b collate utf8mb4_bin) from tt; +Error 1235: This version of TiDB doesn't yet support 'use collate clause for enum or set' desc format='brief' select max(b) from tt; id estRows task access object operator info StreamAgg 1.00 root funcs:max(Column#8)->Column#6 @@ -212,11 +210,9 @@ select max(b) from tt; max(b) c desc format='brief' select max(b collate utf8mb4_bin) from tt; -id estRows task access object operator info -StreamAgg 1.00 root funcs:max(Column#8)->Column#6 -└─TableReader 1.00 root data:StreamAgg - └─StreamAgg 1.00 cop[tikv] funcs:max(cast(collation_agg_func.tt.b, enum('a','B','c')))->Column#8 - └─TableFullScan 10000.00 cop[tikv] table:tt keep order:false, stats:pseudo +Error 1235: This version of TiDB doesn't yet support 'use collate clause for enum or set' +select max(b collate utf8mb4_bin) from tt; +Error 1235: This version of TiDB doesn't yet support 'use collate clause for enum or set' desc format='brief' select min(c) from tt; id estRows task access object operator info HashAgg 1.00 root funcs:min(collation_agg_func.tt.c)->Column#6 @@ -226,11 +222,9 @@ select min(c) from tt; min(c) a desc format='brief' select min(c collate utf8mb4_bin) from tt; -id estRows task access object operator info -HashAgg 1.00 root funcs:min(Column#7)->Column#6 -└─Projection 10000.00 root cast(collation_agg_func.tt.c, set('a','B','c'))->Column#7 - └─TableReader 10000.00 root data:TableFullScan - └─TableFullScan 10000.00 cop[tikv] table:tt keep order:false, stats:pseudo +Error 1235: This version of TiDB doesn't yet support 'use collate clause for enum or set' +select min(c collate utf8mb4_bin) from tt; +Error 1235: This version of TiDB doesn't yet support 'use collate clause for enum or set' desc format='brief' select max(c) from tt; id estRows task access object operator info HashAgg 1.00 root funcs:max(collation_agg_func.tt.c)->Column#6 @@ -240,11 +234,9 @@ select max(c) from tt; max(c) c desc format='brief' select max(c collate utf8mb4_bin) from tt; -id estRows task access object operator info -HashAgg 1.00 root funcs:max(Column#7)->Column#6 -└─Projection 10000.00 root cast(collation_agg_func.tt.c, set('a','B','c'))->Column#7 - └─TableReader 10000.00 root data:TableFullScan - └─TableFullScan 10000.00 cop[tikv] table:tt keep order:false, stats:pseudo +Error 1235: This version of TiDB doesn't yet support 'use collate clause for enum or set' +select max(c collate utf8mb4_bin) from tt; +Error 1235: This version of TiDB doesn't yet support 'use collate clause for enum or set' desc format='brief' select min(d) from tt; id estRows task access object operator info StreamAgg 1.00 root funcs:min(collation_agg_func.tt.d)->Column#6 diff --git a/cmd/explaintest/t/collation_agg_func.test b/cmd/explaintest/t/collation_agg_func.test index eb7ada2209981..160116ac06c96 100644 --- a/cmd/explaintest/t/collation_agg_func.test +++ b/cmd/explaintest/t/collation_agg_func.test @@ -66,24 +66,28 @@ desc format='brief' select max(a collate utf8mb4_bin) from tt; select max(a collate utf8mb4_bin) from tt; desc format='brief' select min(b) from tt; select min(b) from tt; +--error 1235 desc format='brief' select min(b collate utf8mb4_bin) from tt; -# Fix me later. -# select min(b collate utf8mb4_bin) from tt; +--error 1235 +select min(b collate utf8mb4_bin) from tt; desc format='brief' select max(b) from tt; select max(b) from tt; +--error 1235 desc format='brief' select max(b collate utf8mb4_bin) from tt; -# Fix me later. -# select max(b collate utf8mb4_bin) from tt; +--error 1235 +select max(b collate utf8mb4_bin) from tt; desc format='brief' select min(c) from tt; select min(c) from tt; +--error 1235 desc format='brief' select min(c collate utf8mb4_bin) from tt; -# Fix me later. -# select min(c collate utf8mb4_bin) from tt; +--error 1235 +select min(c collate utf8mb4_bin) from tt; desc format='brief' select max(c) from tt; select max(c) from tt; +--error 1235 desc format='brief' select max(c collate utf8mb4_bin) from tt; -# Fix me later. -# select max(c collate utf8mb4_bin) from tt; +--error 1235 +select max(c collate utf8mb4_bin) from tt; desc format='brief' select min(d) from tt; select min(d) from tt; --error 1253 diff --git a/planner/core/expression_rewriter.go b/planner/core/expression_rewriter.go index 427a0633aa9ba..7552979bccef6 100644 --- a/planner/core/expression_rewriter.go +++ b/planner/core/expression_rewriter.go @@ -1188,6 +1188,10 @@ func (er *expressionRewriter) Leave(originInNode ast.Node) (retNode ast.Node, ok } // SetCollationExpr sets the collation explicitly, even when the evaluation type of the expression is non-string. if _, ok := arg.(*expression.Column); ok { + if arg.GetType().GetType() == mysql.TypeEnum || arg.GetType().GetType() == mysql.TypeSet { + er.err = ErrNotSupportedYet.GenWithStackByArgs("use collate clause for enum or set") + break + } // Wrap a cast here to avoid changing the original FieldType of the column expression. exprType := arg.GetType().Clone() exprType.Collate = v.Collate