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improve bindArgsToQuery for surpport for pgsql/mssql/oracle for package gdb

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This commit is contained in:
John
2020-02-29 19:55:53 +08:00
parent 6e1f8c3cfc
commit b0ef63fc9d
8 changed files with 168 additions and 108 deletions
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8
database/gdb/gdb_pgsql.go
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@ -25,6 +25,7 @@ type dbPgsql struct {
*dbBase
}
// Open creates and returns a underlying sql.DB object for pgsql.
func (db *dbPgsql) Open(config *ConfigNode) (*sql.DB, error) {
var source string
if config.LinkInfo != "" {
@ -43,12 +44,15 @@ func (db *dbPgsql) Open(config *ConfigNode) (*sql.DB, error) {
}
}
// getChars returns the security char for this type of database.
func (db *dbPgsql) getChars() (charLeft string, charRight string) {
return "\"", "\""
}
// handleSqlBeforeExec deals with the sql string before commits it to underlying sql driver.
func (db *dbPgsql) handleSqlBeforeExec(sql string) string {
index := 0
var index int
// Convert place holder char '?' to string "$x".
sql, _ = gregex.ReplaceStringFunc("\\?", sql, func(s string) string {
index++
return fmt.Sprintf("$%d", index)
@ -57,11 +61,13 @@ func (db *dbPgsql) handleSqlBeforeExec(sql string) string {
return sql
}
// Tables retrieves and returns the tables of current schema.
// TODO
func (db *dbPgsql) Tables(schema ...string) (tables []string, err error) {
return
}
// TableFields retrieves and returns the fields information of specified table of current schema.
func (db *dbPgsql) TableFields(table string, schema ...string) (fields map[string]*TableField, err error) {
table = gstr.Trim(table)
if gstr.Contains(table, " ") {