133 lines
2.2 KiB
Go
133 lines
2.2 KiB
Go
package sqlbuilder
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import (
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"database/sql"
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"errors"
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"github.com/sub0zero/go-sqlbuilder/sqlbuilder/execution"
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"github.com/sub0zero/go-sqlbuilder/types"
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)
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func serializeOrderByClauseList(orderByClauses []orderByClause, out *queryData) error {
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for i, value := range orderByClauses {
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if i > 0 {
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out.WriteString(", ")
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}
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err := value.serializeAsOrderBy(out)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func serializeGroupByClauseList(clauses []groupByClause, out *queryData) (err error) {
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for i, c := range clauses {
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if i > 0 {
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out.WriteString(", ")
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}
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if c == nil {
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return errors.New("nil clause.")
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}
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if err = c.serializeForGroupBy(out); err != nil {
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return
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}
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}
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return nil
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}
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func serializeClauseList(clauses []clause, out *queryData) (err error) {
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for i, c := range clauses {
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if i > 0 {
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out.WriteString(", ")
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}
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if c == nil {
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return errors.New("nil clause.")
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}
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if err = c.serialize(out); err != nil {
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return
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}
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}
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return nil
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}
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func serializeExpressionList(expressions []expression, separator string, out *queryData) error {
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for i, value := range expressions {
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if i > 0 {
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out.WriteString(separator)
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}
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err := value.serialize(out)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func serializeProjectionList(projections []projection, out *queryData) error {
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for i, col := range projections {
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if i > 0 {
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out.WriteString(", ")
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}
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if col == nil {
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return errors.New("projection expression is nil.")
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}
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if err := col.serializeForProjection(out); err != nil {
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return err
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}
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}
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return nil
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}
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func serializeColumnList(columns []column, out *queryData) error {
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for i, col := range columns {
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if i > 0 {
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out.WriteByte(',')
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}
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if col == nil {
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return errors.New("nil column in columns list.")
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}
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out.WriteString(col.Name())
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}
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return nil
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}
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func Query(statement statement, db types.Db, destination interface{}) error {
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query, args, err := statement.Sql()
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if err != nil {
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return err
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}
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return execution.Query(db, query, args, destination)
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}
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func Execute(statement statement, db types.Db) (res sql.Result, err error) {
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query, args, err := statement.Sql()
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if err != nil {
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return
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}
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return db.Exec(query, args...)
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}
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