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9a1c6a7d09
- Implement --arg feature - Refactor sqlbuilder package (now called "render"). - Bug fixes, especially around expressions.
38 lines
632 B
Go
38 lines
632 B
Go
package render
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import (
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"fmt"
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"math"
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"github.com/neilotoole/sq/libsq/ast"
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)
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func doRange(_ *Context, rr *ast.RowRangeNode) (string, error) {
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if rr == nil {
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return "", nil
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}
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if rr.Limit < 0 && rr.Offset < 0 {
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return "", nil
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}
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limit := ""
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offset := ""
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if rr.Limit > -1 {
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limit = fmt.Sprintf(" LIMIT %d", rr.Limit)
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}
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if rr.Offset > -1 {
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offset = fmt.Sprintf(" OFFSET %d", rr.Offset)
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if rr.Limit == -1 {
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// MySQL requires a LIMIT if OFFSET is used. Therefore
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// we make the LIMIT a very large number
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limit = fmt.Sprintf(" LIMIT %d", math.MaxInt64)
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}
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}
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sql := limit + offset
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return sql, nil
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}
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