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37 lines
804 B
Go
37 lines
804 B
Go
package ast
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import "github.com/sqlc-dev/sqlc/internal/sql/format"
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type NullTest struct {
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Tag NodeTag[NullTest] `json:"tag"`
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Xpr Node `json:"xpr,omitempty"`
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Arg Node `json:"arg,omitempty"`
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Nulltesttype NullTestType `json:"nulltesttype"`
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Argisrow bool `json:"argisrow"`
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Location int `json:"location"`
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}
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func (n *NullTest) Pos() int {
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return n.Location
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}
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// NullTestType values
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const (
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NullTestTypeIsNull NullTestType = 1
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NullTestTypeIsNotNull NullTestType = 2
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)
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func (n *NullTest) Format(buf *TrackedBuffer, d format.Dialect) {
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if n == nil {
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return
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}
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buf.astFormat(n.Arg, d)
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switch n.Nulltesttype {
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case NullTestTypeIsNull:
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buf.WriteString(" IS NULL")
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case NullTestTypeIsNotNull:
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buf.WriteString(" IS NOT NULL")
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}
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}
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