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102 lines
1.8 KiB
Go
102 lines
1.8 KiB
Go
package sqlx
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import (
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"fmt"
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"strings"
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"zero/core/logx"
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"zero/core/mapping"
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)
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func desensitize(datasource string) string {
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// remove account
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pos := strings.LastIndex(datasource, "@")
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if 0 <= pos && pos+1 < len(datasource) {
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datasource = datasource[pos+1:]
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}
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return datasource
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}
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func escape(input string) string {
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var b strings.Builder
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for _, ch := range input {
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switch ch {
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case '\x00':
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b.WriteString(`\x00`)
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case '\r':
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b.WriteString(`\r`)
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case '\n':
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b.WriteString(`\n`)
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case '\\':
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b.WriteString(`\\`)
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case '\'':
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b.WriteString(`\'`)
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case '"':
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b.WriteString(`\"`)
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case '\x1a':
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b.WriteString(`\x1a`)
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default:
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b.WriteRune(ch)
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}
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}
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return b.String()
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}
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func format(query string, args ...interface{}) (string, error) {
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numArgs := len(args)
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if numArgs == 0 {
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return query, nil
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}
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var b strings.Builder
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argIndex := 0
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for _, ch := range query {
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if ch == '?' {
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if argIndex >= numArgs {
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return "", fmt.Errorf("error: %d ? in sql, but less arguments provided", argIndex)
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}
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arg := args[argIndex]
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argIndex++
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switch v := arg.(type) {
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case bool:
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if v {
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b.WriteByte('1')
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} else {
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b.WriteByte('0')
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}
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case string:
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b.WriteByte('\'')
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b.WriteString(escape(v))
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b.WriteByte('\'')
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default:
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b.WriteString(mapping.Repr(v))
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}
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} else {
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b.WriteRune(ch)
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}
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}
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if argIndex < numArgs {
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return "", fmt.Errorf("error: %d ? in sql, but more arguments provided", argIndex)
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}
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return b.String(), nil
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}
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func logInstanceError(datasource string, err error) {
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datasource = desensitize(datasource)
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logx.Errorf("Error on getting sql instance of %s: %v", datasource, err)
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}
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func logSqlError(stmt string, err error) {
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if err != nil && err != ErrNotFound {
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logx.Errorf("stmt: %s, error: %s", stmt, err.Error())
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}
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}
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