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Add StringColumn type and expression

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Add Projection type
Alias refactoring
More numeric operations
This commit is contained in:
zer0sub 2019-04-03 11:03:07 +02:00
parent 033ab1d0da
commit b2f84d048c
16 changed files with 350 additions and 199 deletions
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22
sqlbuilder/table.go
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@ -14,17 +14,17 @@ type ReadableTable interface {
// Returns the list of columns that are in the current tableName expression.
Columns() []Column
Column(name string) Column
//Column(name string) Column
// Generates the sql string for the current tableName expression. Note: the
// generated string may not be a valid/executable sql statement.
SerializeSql(out *bytes.Buffer) error
// Generates a select query on the current tableName.
Select(projections ...Expression) SelectStatement
SELECT(projections ...Projection) SelectStatement
// Creates a inner join tableName expression using onCondition.
InnerJoinOn(table ReadableTable, onCondition BoolExpression) ReadableTable
INNER_JOIN(table ReadableTable, onCondition BoolExpression) ReadableTable
//InnerJoinUsing(table ReadableTable, col1 Column, col2 Column) ReadableTable
@ -34,7 +34,7 @@ type ReadableTable interface {
// Creates a right join tableName expression using onCondition.
RightJoinOn(table ReadableTable, onCondition BoolExpression) ReadableTable
FullJoin(table ReadableTable, onCondition BoolExpression) ReadableTable
FULL_JOIN(table ReadableTable, onCondition BoolExpression) ReadableTable
CrossJoin(table ReadableTable) ReadableTable
}
@ -181,12 +181,12 @@ func (t *Table) SerializeSql(out *bytes.Buffer) error {
}
// Generates a select query on the current tableName.
func (t *Table) Select(projections ...Expression) SelectStatement {
func (t *Table) SELECT(projections ...Projection) SelectStatement {
return newSelectStatement(t, projections)
}
// Creates a inner join tableName expression using onCondition.
func (t *Table) InnerJoinOn(
func (t *Table) INNER_JOIN(
table ReadableTable,
onCondition BoolExpression) ReadableTable {
@ -198,7 +198,7 @@ func (t *Table) InnerJoinOn(
// col1 Column,
// col2 Column) ReadableTable {
//
// return InnerJoinOn(t, table, col1.Eq(col2))
// return INNER_JOIN(t, table, col1.Eq(col2))
//}
// Creates a left join tableName expression using onCondition.
@ -217,7 +217,7 @@ func (t *Table) RightJoinOn(
return RightJoinOn(t, table, onCondition)
}
func (t *Table) FullJoin(table ReadableTable, onCondition BoolExpression) ReadableTable {
func (t *Table) FULL_JOIN(table ReadableTable, onCondition BoolExpression) ReadableTable {
return FullJoin(t, table, onCondition)
}
@ -363,11 +363,11 @@ func (t *joinTable) SerializeSql(out *bytes.Buffer) (err error) {
return nil
}
func (t *joinTable) Select(projections ...Expression) SelectStatement {
func (t *joinTable) SELECT(projections ...Projection) SelectStatement {
return newSelectStatement(t, projections)
}
func (t *joinTable) InnerJoinOn(
func (t *joinTable) INNER_JOIN(
table ReadableTable,
onCondition BoolExpression) ReadableTable {
@ -381,7 +381,7 @@ func (t *joinTable) LeftJoinOn(
return LeftJoinOn(t, table, onCondition)
}
func (t *joinTable) FullJoin(table ReadableTable, onCondition BoolExpression) ReadableTable {
func (t *joinTable) FULL_JOIN(table ReadableTable, onCondition BoolExpression) ReadableTable {
return FullJoin(t, table, onCondition)
}