github.com/matrixorigin/matrixone@v1.2.0/pkg/sql/plan/table_binder.go (about)

     1  // Copyright 2022 Matrix Origin
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package plan
    16  
    17  import (
    18  	"github.com/matrixorigin/matrixone/pkg/common/moerr"
    19  	"github.com/matrixorigin/matrixone/pkg/pb/plan"
    20  	"github.com/matrixorigin/matrixone/pkg/sql/parsers/tree"
    21  )
    22  
    23  func NewTableBinder(builder *QueryBuilder, ctx *BindContext) *TableBinder {
    24  	b := &TableBinder{}
    25  	b.sysCtx = builder.GetContext()
    26  	b.builder = builder
    27  	b.ctx = ctx
    28  	b.impl = b
    29  
    30  	return b
    31  }
    32  
    33  func (b *TableBinder) BindExpr(astExpr tree.Expr, depth int32, isRoot bool) (*plan.Expr, error) {
    34  	return b.baseBindExpr(astExpr, depth, isRoot)
    35  }
    36  
    37  func (b *TableBinder) BindColRef(astExpr *tree.UnresolvedName, depth int32, isRoot bool) (*plan.Expr, error) {
    38  	return b.baseBindColRef(astExpr, depth, isRoot)
    39  }
    40  
    41  func (b *TableBinder) BindAggFunc(funcName string, astExpr *tree.FuncExpr, depth int32, isRoot bool) (*plan.Expr, error) {
    42  	return nil, moerr.NewSyntaxError(b.GetContext(), "aggregate function %s not allowed", funcName)
    43  }
    44  
    45  func (b *TableBinder) BindWinFunc(funcName string, astExpr *tree.FuncExpr, depth int32, isRoot bool) (*plan.Expr, error) {
    46  	return nil, moerr.NewSyntaxError(b.GetContext(), "window function %s not allowed", funcName)
    47  }
    48  
    49  func (b *TableBinder) BindSubquery(astExpr *tree.Subquery, isRoot bool) (*plan.Expr, error) {
    50  	return nil, moerr.NewNYI(b.GetContext(), "subquery in JOIN condition")
    51  }
    52  
    53  func (b *TableBinder) BindTimeWindowFunc(funcName string, astExpr *tree.FuncExpr, depth int32, isRoot bool) (*plan.Expr, error) {
    54  	return nil, moerr.NewInvalidInput(b.GetContext(), "cannot bind time window functions '%s'", funcName)
    55  }