func buildIndexPlan(ins *sqlparser.Insert, tablename string, colVindex *ColVindex, plan *Plan) error {
pos := -1
for i, column := range ins.Columns {
if colVindex.Col == sqlparser.GetColName(column.(*sqlparser.NonStarExpr).Expr) {
pos = i
break
}
}
if pos == -1 {
pos = len(ins.Columns)
ins.Columns = append(ins.Columns, &sqlparser.NonStarExpr{Expr: &sqlparser.ColName{Name: []byte(colVindex.Col)}})
ins.Rows.(sqlparser.Values)[0] = append(ins.Rows.(sqlparser.Values)[0].(sqlparser.ValTuple), &sqlparser.NullVal{})
}
row := ins.Rows.(sqlparser.Values)[0].(sqlparser.ValTuple)
val, err := asInterface(row[pos])
if err != nil {
return fmt.Errorf("could not convert val: %s, pos: %d", row[pos], pos)
}
plan.Values = append(plan.Values.([]interface{}), val)
row[pos] = sqlparser.ValArg([]byte(fmt.Sprintf(":_%s", colVindex.Col)))
return nil
}
// license that can be found in the LICENSE file.
package planbuilder
import (
"errors"
"fmt"
log "github.com/golang/glog"
"github.com/henryanand/vitess/go/vt/schema"
"github.com/henryanand/vitess/go/vt/sqlparser"
)
var (
TooComplex = errors.New("Complex")
execLimit = &sqlparser.Limit{Rowcount: sqlparser.ValArg(":#maxLimit")}
)
// ExecPlan is built for selects and DMLs.
// PK Values values within ExecPlan can be:
// sqltypes.Value: sourced form the query, or
// string: bind variable name starting with ':', or
// nil if no value was specified
type ExecPlan struct {
PlanId PlanType
Reason ReasonType
TableName string
// FieldQuery is used to fetch field info
FieldQuery *sqlparser.ParsedQuery