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compile.go
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compile.go
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// Copyright 2021 Matrix Origin
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package compile
import (
_ "github.com/matrixorigin/matrixone/pkg/builtin/binary" // default import
_ "github.com/matrixorigin/matrixone/pkg/builtin/multi" // default import
_ "github.com/matrixorigin/matrixone/pkg/builtin/unary" // default import
"github.com/matrixorigin/matrixone/pkg/sql/parsers"
"github.com/matrixorigin/matrixone/pkg/sql/parsers/dialect"
"github.com/matrixorigin/matrixone/pkg/vm/engine"
"github.com/matrixorigin/matrixone/pkg/vm/process"
)
// InitAddress is used to set address of local node
func InitAddress(addr string) {
Address = addr
}
// New is used to new an object of compile
func New(db string, sql string, uid string,
e engine.Engine, proc *process.Process) *compile {
return &compile{
e: e,
db: db,
uid: uid,
sql: sql,
proc: proc,
}
}
// Build generates query execution list based on the result of sql parser.
func (c *compile) Build() ([]*Exec, error) {
stmts, err := parsers.Parse(dialect.MYSQL, c.sql)
if err != nil {
return nil, err
}
es := make([]*Exec, len(stmts))
for i := range stmts {
es[i] = &Exec{
c: c,
stmt: stmts[i],
}
}
return es, nil
}