mirror of https://github.com/jackc/pgx.git
30 lines
683 B
Go
30 lines
683 B
Go
package pgx
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import (
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"strconv"
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)
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// QueryArgs is a container for arguments to an SQL query. It is helpful when
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// building SQL statements where the number of arguments is variable.
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type QueryArgs []interface{}
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var placeholders []string
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func init() {
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placeholders = make([]string, 64)
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for i := 1; i < 64; i++ {
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placeholders[i] = "$" + strconv.FormatInt(int64(i), 10)
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}
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}
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// Append adds a value to qa and returns the placeholder value for the
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// argument. e.g. $1, $2, etc.
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func (qa *QueryArgs) Append(v interface{}) string {
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*qa = append(*qa, v)
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if len(*qa) < len(placeholders) {
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return placeholders[len(*qa)]
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}
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return "$" + strconv.FormatInt(int64(len(*qa)), 10)
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}
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