127 lines
4 KiB
Go
127 lines
4 KiB
Go
package mysql
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import "source.gleipnir.technology/Gleipnir/jet/v2/internal/jet"
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// Table is interface for MySQL tables
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type Table interface {
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jet.SerializerTable
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readableTable
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INSERT(columns ...jet.Column) InsertStatement
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UPDATE(columns ...jet.Column) UpdateStatement
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DELETE() DeleteStatement
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LOCK() LockStatement
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}
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type readableTable interface {
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// Generates a select query on the current tableName.
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SELECT(projection Projection, projections ...Projection) SelectStatement
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// Creates a inner join tableName Expression using onCondition.
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INNER_JOIN(table ReadableTable, onCondition BoolExpression) joinSelectUpdateTable
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// Creates a left join tableName Expression using onCondition.
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LEFT_JOIN(table ReadableTable, onCondition BoolExpression) joinSelectUpdateTable
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// Creates a right join tableName Expression using onCondition.
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RIGHT_JOIN(table ReadableTable, onCondition BoolExpression) joinSelectUpdateTable
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// Creates a full join tableName Expression using onCondition.
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FULL_JOIN(table ReadableTable, onCondition BoolExpression) joinSelectUpdateTable
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// Creates a cross join tableName Expression using onCondition.
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CROSS_JOIN(table ReadableTable) joinSelectUpdateTable
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}
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type joinSelectUpdateTable interface {
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ReadableTable
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UPDATE(columns ...jet.Column) UpdateStatement
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}
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// ReadableTable interface
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type ReadableTable interface {
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readableTable
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jet.Serializer
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}
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type readableTableInterfaceImpl struct {
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root ReadableTable
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}
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// Generates a select query on the current tableName.
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func (r readableTableInterfaceImpl) SELECT(projection1 Projection, projections ...Projection) SelectStatement {
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return newSelectStatement(jet.SelectStatementType, r.root, append([]Projection{projection1}, projections...))
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}
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// Creates a inner join tableName Expression using onCondition.
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func (r readableTableInterfaceImpl) INNER_JOIN(table ReadableTable, onCondition BoolExpression) joinSelectUpdateTable {
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return newJoinTable(r.root, table, jet.InnerJoin, onCondition)
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}
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// Creates a left join tableName Expression using onCondition.
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func (r readableTableInterfaceImpl) LEFT_JOIN(table ReadableTable, onCondition BoolExpression) joinSelectUpdateTable {
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return newJoinTable(r.root, table, jet.LeftJoin, onCondition)
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}
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// Creates a right join tableName Expression using onCondition.
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func (r readableTableInterfaceImpl) RIGHT_JOIN(table ReadableTable, onCondition BoolExpression) joinSelectUpdateTable {
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return newJoinTable(r.root, table, jet.RightJoin, onCondition)
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}
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func (r readableTableInterfaceImpl) FULL_JOIN(table ReadableTable, onCondition BoolExpression) joinSelectUpdateTable {
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return newJoinTable(r.root, table, jet.FullJoin, onCondition)
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}
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func (r readableTableInterfaceImpl) CROSS_JOIN(table ReadableTable) joinSelectUpdateTable {
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return newJoinTable(r.root, table, jet.CrossJoin, nil)
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}
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// NewTable creates new table with schema Name, table Name and list of columns
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func NewTable(schemaName, name, alias string, columns ...jet.ColumnExpression) Table {
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t := &tableImpl{
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SerializerTable: jet.NewTable(schemaName, name, alias, columns...),
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}
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t.readableTableInterfaceImpl.root = t
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t.root = t
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return t
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}
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type tableImpl struct {
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jet.SerializerTable
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readableTableInterfaceImpl
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root Table
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}
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func (t *tableImpl) INSERT(columns ...jet.Column) InsertStatement {
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return newInsertStatement(t.root, jet.UnwidColumnList(columns))
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}
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func (t *tableImpl) UPDATE(columns ...jet.Column) UpdateStatement {
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return newUpdateStatement(t.root, jet.UnwidColumnList(columns))
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}
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func (t *tableImpl) DELETE() DeleteStatement {
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return newDeleteStatement(t.root)
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}
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func (t *tableImpl) LOCK() LockStatement {
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return LOCK(t.root)
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}
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type joinTable struct {
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tableImpl
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jet.JoinTable
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}
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func newJoinTable(lhs jet.Serializer, rhs jet.Serializer, joinType jet.JoinType, onCondition BoolExpression) Table {
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newJoinTable := &joinTable{
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JoinTable: jet.NewJoinTable(lhs, rhs, joinType, onCondition),
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}
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newJoinTable.readableTableInterfaceImpl.root = newJoinTable
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newJoinTable.root = newJoinTable
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return newJoinTable
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}
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