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builder.go
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builder.go
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package goorm
import (
"database/sql"
)
type Table struct {
TableName string
TableNameAlias string
DB *sql.DB
wheresCondition map[string]interface{}
whereCondition [][]interface{}
whereQuery []string
whereBetweenCondition [][]string
whereInCondition map[string][]interface{}
whereNotInCondition map[string][]interface{}
orderByMap map[string]bool
limitNum int
offsetNum int
selectField []string
whereNullField []string
whereNotNullField []string
leftJoinTable []string
groupByMap []string
orWhere []string
orderByRawMap map[string]bool
}
func NewTable(tableName string, db *sql.DB) *Table {
return &Table{
TableName: tableName,
TableNameAlias: "",
DB: db,
wheresCondition: map[string]interface{}{},
whereCondition: [][]interface{}{},
whereQuery: []string{},
whereBetweenCondition: [][]string{},
whereInCondition: map[string][]interface{}{},
whereNotInCondition: map[string][]interface{}{},
orderByMap: map[string]bool{},
selectField: []string{},
whereNullField: []string{},
whereNotNullField: []string{},
leftJoinTable: []string{},
groupByMap: []string{},
orWhere: []string{},
orderByRawMap: map[string]bool{},
}
}
func (t *Table) SetAKA(alias string) *Table {
t.TableNameAlias = alias
return t
}
func (t *Table) Wheres(where map[string]interface{}) *Table {
t.wheresCondition = where
return t
}
func (t *Table) Where(field string, value ...interface{}) *Table {
if len(value) == 1 {
t.wheresCondition[field] = value[0]
} else {
t.whereCondition = append(t.whereCondition, []interface{}{field, value[0].(string), value[1]})
}
return t
}
func (t *Table) WhereQuery(query ...string) *Table {
t.whereQuery = append(t.whereQuery, query...)
return t
}
func (t *Table) WhereBetween(field string, left string, right string) *Table {
t.whereBetweenCondition = append(t.whereBetweenCondition, []string{field, left, right})
return t
}
func (t *Table) WhereIn(field string, scope []interface{}) *Table {
t.whereInCondition[field] = scope
return t
}
func (t *Table) WhereNotIn(field string, scope []interface{}) *Table {
t.whereNotInCondition[field] = scope
return t
}
func (t *Table) WhereNull(fields ...string) *Table {
t.whereNullField = append(t.whereNullField, fields...)
return t
}
func (t *Table) WhereNotNull(fields ...string) *Table {
t.whereNotNullField = append(t.whereNotNullField, fields...)
return t
}
func (t *Table) OrderBy(field string, sort bool) *Table {
t.orderByMap[field] = sort
return t
}
func (t *Table) Limit(limit int) *Table {
t.limitNum = limit
return t
}
func (t *Table) Offset(offset int) *Table {
t.offsetNum = offset
return t
}
func (t *Table) Select(fields ...string) *Table {
t.selectField = append(t.selectField, fields...)
return t
}
func (t *Table) LeftJoin(tableName string, tableNameAlias string, on ...string) *Table {
if t.TableNameAlias == "" {
t.TableNameAlias = "t"
}
if tableNameAlias == "" {
tableNameAlias = tableName
}
t.leftJoinTable = append(t.leftJoinTable, tableName+" "+tableNameAlias+" ON "+t.joinOn(tableNameAlias, on...))
return t
}
//func (t *Table) LeftJoin(tableName string, foreignKey string, primaryKey string) *Table {
// t.leftJoinTable = append(t.leftJoinTable, []string{tableName, foreignKey, primaryKey})
// return t
//}
func (t *Table) GroupBy(fields ...string) *Table {
t.groupByMap = append(t.groupByMap, fields...)
return t
}
func (t *Table) OrWhere(condition ...string) *Table {
t.orWhere = append(t.orWhere, condition...)
return t
}
func (t *Table) OrderByRaw(field string, sort bool) *Table {
t.orderByRawMap[field] = sort
return t
}
func (t *Table) joinOn(leftTableNameAlias string, on ...string) string {
if len(on) == 1 {
return on[0]
} else {
return t.TableNameAlias + "." + on[0] + "=" + leftTableNameAlias + "." + on[1]
}
}