mirror of
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69 lines
1.2 KiB
Go
69 lines
1.2 KiB
Go
package orm
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import (
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"strconv"
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)
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var postgresOperators = map[string]string{
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"exact": "= ?",
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"iexact": "= UPPER(?)",
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"contains": "LIKE ?",
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"icontains": "LIKE UPPER(?)",
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"gt": "> ?",
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"gte": ">= ?",
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"lt": "< ?",
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"lte": "<= ?",
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"startswith": "LIKE ?",
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"endswith": "LIKE ?",
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"istartswith": "LIKE UPPER(?)",
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"iendswith": "LIKE UPPER(?)",
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}
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type dbBasePostgres struct {
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dbBase
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}
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var _ dbBaser = new(dbBasePostgres)
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func (d *dbBasePostgres) OperatorSql(operator string) string {
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return postgresOperators[operator]
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}
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func (d *dbBasePostgres) TableQuote() string {
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return `"`
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}
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func (d *dbBasePostgres) ReplaceMarks(query *string) {
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q := *query
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num := 0
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for _, c := range q {
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if c == '?' {
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num += 1
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}
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}
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if num == 0 {
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return
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}
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data := make([]byte, 0, len(q)+num)
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num = 1
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for i := 0; i < len(q); i++ {
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c := q[i]
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if c == '?' {
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data = append(data, '$')
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data = append(data, []byte(strconv.Itoa(num))...)
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num += 1
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} else {
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data = append(data, c)
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}
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}
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*query = string(data)
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}
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// func (d *dbBasePostgres)
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func newdbBasePostgres() dbBaser {
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b := new(dbBasePostgres)
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b.ins = b
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return b
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}
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