247 lines
7.6 KiB
Go
247 lines
7.6 KiB
Go
/* WIP Under Construction */
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package qgen
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//import "log"
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import "database/sql"
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var Builder *builder
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func init() {
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Builder = &builder{conn: nil}
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}
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// A set of wrappers around the generator methods, so that we can use this inline in Gosora
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type builder struct {
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conn *sql.DB
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adapter DB_Adapter
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}
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func (build *builder) Accumulator() *accBuilder {
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return &accBuilder{build.conn, build.adapter, nil}
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}
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func (build *builder) SetConn(conn *sql.DB) {
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build.conn = conn
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}
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func (build *builder) SetAdapter(name string) error {
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adap, err := GetAdapter(name)
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if err != nil {
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return err
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}
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build.adapter = adap
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return nil
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}
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func (build *builder) GetAdapter() DB_Adapter {
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return build.adapter
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}
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func (build *builder) Tx(handler func(*TransactionBuilder) error) error {
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tx, err := build.conn.Begin()
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if err != nil {
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return err
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}
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err = handler(&TransactionBuilder{tx, build.adapter, nil})
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if err != nil {
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tx.Rollback()
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return err
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}
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return tx.Commit()
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}
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func (build *builder) SimpleSelect(table string, columns string, where string, orderby string, limit string) (stmt *sql.Stmt, err error) {
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res, err := build.adapter.SimpleSelect("_builder", table, columns, where, orderby, limit)
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if err != nil {
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return stmt, err
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}
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return build.conn.Prepare(res)
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}
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func (build *builder) SimpleCount(table string, where string, limit string) (stmt *sql.Stmt, err error) {
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res, err := build.adapter.SimpleCount("_builder", table, where, limit)
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if err != nil {
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return stmt, err
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}
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return build.conn.Prepare(res)
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}
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func (build *builder) SimpleLeftJoin(table1 string, table2 string, columns string, joiners string, where string, orderby string, limit string) (stmt *sql.Stmt, err error) {
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res, err := build.adapter.SimpleLeftJoin("_builder", table1, table2, columns, joiners, where, orderby, limit)
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if err != nil {
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return stmt, err
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}
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return build.conn.Prepare(res)
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}
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func (build *builder) SimpleInnerJoin(table1 string, table2 string, columns string, joiners string, where string, orderby string, limit string) (stmt *sql.Stmt, err error) {
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res, err := build.adapter.SimpleInnerJoin("_builder", table1, table2, columns, joiners, where, orderby, limit)
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if err != nil {
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return stmt, err
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}
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return build.conn.Prepare(res)
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}
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func (build *builder) CreateTable(table string, charset string, collation string, columns []DB_Table_Column, keys []DB_Table_Key) (stmt *sql.Stmt, err error) {
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res, err := build.adapter.CreateTable("_builder", table, charset, collation, columns, keys)
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if err != nil {
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return stmt, err
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}
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return build.conn.Prepare(res)
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}
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func (build *builder) SimpleInsert(table string, columns string, fields string) (stmt *sql.Stmt, err error) {
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res, err := build.adapter.SimpleInsert("_builder", table, columns, fields)
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if err != nil {
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return stmt, err
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}
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return build.conn.Prepare(res)
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}
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func (build *builder) SimpleInsertSelect(ins DB_Insert, sel DB_Select) (stmt *sql.Stmt, err error) {
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res, err := build.adapter.SimpleInsertSelect("_builder", ins, sel)
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if err != nil {
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return stmt, err
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}
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return build.conn.Prepare(res)
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}
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func (build *builder) SimpleInsertLeftJoin(ins DB_Insert, sel DB_Join) (stmt *sql.Stmt, err error) {
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res, err := build.adapter.SimpleInsertLeftJoin("_builder", ins, sel)
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if err != nil {
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return stmt, err
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}
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return build.conn.Prepare(res)
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}
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func (build *builder) SimpleInsertInnerJoin(ins DB_Insert, sel DB_Join) (stmt *sql.Stmt, err error) {
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res, err := build.adapter.SimpleInsertInnerJoin("_builder", ins, sel)
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if err != nil {
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return stmt, err
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}
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return build.conn.Prepare(res)
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}
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func (build *builder) SimpleUpdate(table string, set string, where string) (stmt *sql.Stmt, err error) {
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res, err := build.adapter.SimpleUpdate("_builder", table, set, where)
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if err != nil {
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return stmt, err
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}
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return build.conn.Prepare(res)
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}
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func (build *builder) SimpleDelete(table string, where string) (stmt *sql.Stmt, err error) {
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res, err := build.adapter.SimpleDelete("_builder", table, where)
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if err != nil {
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return stmt, err
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}
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return build.conn.Prepare(res)
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}
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// I don't know why you need this, but here it is x.x
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func (build *builder) Purge(table string) (stmt *sql.Stmt, err error) {
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res, err := build.adapter.Purge("_builder", table)
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if err != nil {
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return stmt, err
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}
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return build.conn.Prepare(res)
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}
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// These ones support transactions
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func (build *builder) SimpleSelectTx(tx *sql.Tx, table string, columns string, where string, orderby string, limit string) (stmt *sql.Stmt, err error) {
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res, err := build.adapter.SimpleSelect("_builder", table, columns, where, orderby, limit)
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if err != nil {
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return stmt, err
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}
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return tx.Prepare(res)
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}
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func (build *builder) SimpleCountTx(tx *sql.Tx, table string, where string, limit string) (stmt *sql.Stmt, err error) {
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res, err := build.adapter.SimpleCount("_builder", table, where, limit)
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if err != nil {
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return stmt, err
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}
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return tx.Prepare(res)
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}
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func (build *builder) SimpleLeftJoinTx(tx *sql.Tx, table1 string, table2 string, columns string, joiners string, where string, orderby string, limit string) (stmt *sql.Stmt, err error) {
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res, err := build.adapter.SimpleLeftJoin("_builder", table1, table2, columns, joiners, where, orderby, limit)
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if err != nil {
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return stmt, err
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}
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return tx.Prepare(res)
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}
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func (build *builder) SimpleInnerJoinTx(tx *sql.Tx, table1 string, table2 string, columns string, joiners string, where string, orderby string, limit string) (stmt *sql.Stmt, err error) {
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res, err := build.adapter.SimpleInnerJoin("_builder", table1, table2, columns, joiners, where, orderby, limit)
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if err != nil {
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return stmt, err
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}
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return tx.Prepare(res)
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}
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func (build *builder) CreateTableTx(tx *sql.Tx, table string, charset string, collation string, columns []DB_Table_Column, keys []DB_Table_Key) (stmt *sql.Stmt, err error) {
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res, err := build.adapter.CreateTable("_builder", table, charset, collation, columns, keys)
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if err != nil {
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return stmt, err
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}
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return tx.Prepare(res)
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}
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func (build *builder) SimpleInsertTx(tx *sql.Tx, table string, columns string, fields string) (stmt *sql.Stmt, err error) {
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res, err := build.adapter.SimpleInsert("_builder", table, columns, fields)
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if err != nil {
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return stmt, err
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}
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return tx.Prepare(res)
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}
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func (build *builder) SimpleInsertSelectTx(tx *sql.Tx, ins DB_Insert, sel DB_Select) (stmt *sql.Stmt, err error) {
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res, err := build.adapter.SimpleInsertSelect("_builder", ins, sel)
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if err != nil {
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return stmt, err
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}
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return tx.Prepare(res)
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}
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func (build *builder) SimpleInsertLeftJoinTx(tx *sql.Tx, ins DB_Insert, sel DB_Join) (stmt *sql.Stmt, err error) {
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res, err := build.adapter.SimpleInsertLeftJoin("_builder", ins, sel)
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if err != nil {
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return stmt, err
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}
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return tx.Prepare(res)
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}
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func (build *builder) SimpleInsertInnerJoinTx(tx *sql.Tx, ins DB_Insert, sel DB_Join) (stmt *sql.Stmt, err error) {
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res, err := build.adapter.SimpleInsertInnerJoin("_builder", ins, sel)
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if err != nil {
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return stmt, err
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}
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return tx.Prepare(res)
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}
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func (build *builder) SimpleUpdateTx(tx *sql.Tx, table string, set string, where string) (stmt *sql.Stmt, err error) {
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res, err := build.adapter.SimpleUpdate("_builder", table, set, where)
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if err != nil {
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return stmt, err
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}
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return tx.Prepare(res)
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}
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func (build *builder) SimpleDeleteTx(tx *sql.Tx, table string, where string) (stmt *sql.Stmt, err error) {
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res, err := build.adapter.SimpleDelete("_builder", table, where)
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if err != nil {
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return stmt, err
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}
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return tx.Prepare(res)
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}
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// I don't know why you need this, but here it is x.x
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func (build *builder) PurgeTx(tx *sql.Tx, table string) (stmt *sql.Stmt, err error) {
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res, err := build.adapter.Purge("_builder", table)
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if err != nil {
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return stmt, err
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}
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return tx.Prepare(res)
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}
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