本文整理匯總了Golang中github.com/cockroachdb/cockroach/pkg/sql/parser.Parser.AssertNoAggregationOrWindowing方法的典型用法代碼示例。如果您正苦於以下問題：Golang Parser.AssertNoAggregationOrWindowing方法的具體用法？Golang Parser.AssertNoAggregationOrWindowing怎麽用？Golang Parser.AssertNoAggregationOrWindowing使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/cockroachdb/cockroach/pkg/sql/parser.Parser的用法示例。
在下文中一共展示了Parser.AssertNoAggregationOrWindowing方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: MakeColumnDefDescs
//.........這裏部分代碼省略.........
colDatumType = parser.TypeFloat
case *parser.DecimalColType:
col.Type.Kind = ColumnType_DECIMAL
col.Type.Width = int32(t.Scale)
col.Type.Precision = int32(t.Prec)
colDatumType = parser.TypeDecimal
case *parser.DateColType:
col.Type.Kind = ColumnType_DATE
colDatumType = parser.TypeDate
case *parser.TimestampColType:
col.Type.Kind = ColumnType_TIMESTAMP
colDatumType = parser.TypeTimestamp
case *parser.TimestampTZColType:
col.Type.Kind = ColumnType_TIMESTAMPTZ
colDatumType = parser.TypeTimestampTZ
case *parser.IntervalColType:
col.Type.Kind = ColumnType_INTERVAL
colDatumType = parser.TypeInterval
case *parser.StringColType:
col.Type.Kind = ColumnType_STRING
col.Type.Width = int32(t.N)
colDatumType = parser.TypeString
case *parser.BytesColType:
col.Type.Kind = ColumnType_BYTES
colDatumType = parser.TypeBytes
case *parser.ArrayColType:
if _, ok := t.ParamType.(*parser.IntColType); ok {
col.Type.Kind = ColumnType_INT_ARRAY
} else {
return nil, nil, errors.Errorf("arrays of type %s are unsupported", t.ParamType)
}
colDatumType = parser.TypeIntArray
for i, e := range t.BoundsExprs {
ctx := parser.SemaContext{SearchPath: searchPath}
te, err := parser.TypeCheckAndRequire(e, &ctx, parser.TypeInt, "array bounds")
if err != nil {
return nil, nil, errors.Wrapf(err, "couldn't get bound %d", i)
}
d, err := te.Eval(nil)
if err != nil {
return nil, nil, errors.Wrapf(err, "couldn't Eval bound %d", i)
}
b := d.(*parser.DInt)
col.Type.ArrayDimensions = append(col.Type.ArrayDimensions, int32(*b))
}
default:
return nil, nil, errors.Errorf("unexpected type %T", t)
}
if col.Type.Kind == ColumnType_DECIMAL {
switch {
case col.Type.Precision == 0 && col.Type.Width > 0:
// TODO (seif): Find right range for error message.
return nil, nil, errors.New("invalid NUMERIC precision 0")
case col.Type.Precision < col.Type.Width:
return nil, nil, fmt.Errorf("NUMERIC scale %d must be between 0 and precision %d",
col.Type.Width, col.Type.Precision)
}
}
if len(d.CheckExprs) > 0 {
// Should never happen since `hoistConstraints` moves these to table level
return nil, nil, errors.New("unexpected column CHECK constraint")
}
if d.HasFKConstraint() {
// Should never happen since `hoistConstraints` moves these to table level
return nil, nil, errors.New("unexpected column REFERENCED constraint")
}
if d.HasDefaultExpr() {
// Verify the default expression type is compatible with the column type.
if err := SanitizeVarFreeExpr(
d.DefaultExpr.Expr, colDatumType, "DEFAULT", searchPath,
); err != nil {
return nil, nil, err
}
var p parser.Parser
if err := p.AssertNoAggregationOrWindowing(
d.DefaultExpr.Expr, "DEFAULT expressions", searchPath,
); err != nil {
return nil, nil, err
}
s := d.DefaultExpr.Expr.String()
col.DefaultExpr = &s
}
var idx *IndexDescriptor
if d.PrimaryKey || d.Unique {
idx = &IndexDescriptor{
Unique: true,
ColumnNames: []string{string(d.Name)},
ColumnDirections: []IndexDescriptor_Direction{IndexDescriptor_ASC},
}
if d.UniqueConstraintName != "" {
idx.Name = string(d.UniqueConstraintName)
}
}
return col, idx, nil
}