status-go/vendor/github.com/Masterminds/squirrel/statement.go

105 lines
3.2 KiB
Go

package squirrel
import "github.com/lann/builder"
// StatementBuilderType is the type of StatementBuilder.
type StatementBuilderType builder.Builder
// Select returns a SelectBuilder for this StatementBuilderType.
func (b StatementBuilderType) Select(columns ...string) SelectBuilder {
return SelectBuilder(b).Columns(columns...)
}
// Insert returns a InsertBuilder for this StatementBuilderType.
func (b StatementBuilderType) Insert(into string) InsertBuilder {
return InsertBuilder(b).Into(into)
}
// Replace returns a InsertBuilder for this StatementBuilderType with the
// statement keyword set to "REPLACE".
func (b StatementBuilderType) Replace(into string) InsertBuilder {
return InsertBuilder(b).statementKeyword("REPLACE").Into(into)
}
// Update returns a UpdateBuilder for this StatementBuilderType.
func (b StatementBuilderType) Update(table string) UpdateBuilder {
return UpdateBuilder(b).Table(table)
}
// Delete returns a DeleteBuilder for this StatementBuilderType.
func (b StatementBuilderType) Delete(from string) DeleteBuilder {
return DeleteBuilder(b).From(from)
}
// PlaceholderFormat sets the PlaceholderFormat field for any child builders.
func (b StatementBuilderType) PlaceholderFormat(f PlaceholderFormat) StatementBuilderType {
return builder.Set(b, "PlaceholderFormat", f).(StatementBuilderType)
}
// RunWith sets the RunWith field for any child builders.
func (b StatementBuilderType) RunWith(runner BaseRunner) StatementBuilderType {
return setRunWith(b, runner).(StatementBuilderType)
}
// Where adds WHERE expressions to the query.
//
// See SelectBuilder.Where for more information.
func (b StatementBuilderType) Where(pred interface{}, args ...interface{}) StatementBuilderType {
return builder.Append(b, "WhereParts", newWherePart(pred, args...)).(StatementBuilderType)
}
// StatementBuilder is a parent builder for other builders, e.g. SelectBuilder.
var StatementBuilder = StatementBuilderType(builder.EmptyBuilder).PlaceholderFormat(Question)
// Select returns a new SelectBuilder, optionally setting some result columns.
//
// See SelectBuilder.Columns.
func Select(columns ...string) SelectBuilder {
return StatementBuilder.Select(columns...)
}
// Insert returns a new InsertBuilder with the given table name.
//
// See InsertBuilder.Into.
func Insert(into string) InsertBuilder {
return StatementBuilder.Insert(into)
}
// Replace returns a new InsertBuilder with the statement keyword set to
// "REPLACE" and with the given table name.
//
// See InsertBuilder.Into.
func Replace(into string) InsertBuilder {
return StatementBuilder.Replace(into)
}
// Update returns a new UpdateBuilder with the given table name.
//
// See UpdateBuilder.Table.
func Update(table string) UpdateBuilder {
return StatementBuilder.Update(table)
}
// Delete returns a new DeleteBuilder with the given table name.
//
// See DeleteBuilder.Table.
func Delete(from string) DeleteBuilder {
return StatementBuilder.Delete(from)
}
// Case returns a new CaseBuilder
// "what" represents case value
func Case(what ...interface{}) CaseBuilder {
b := CaseBuilder(builder.EmptyBuilder)
switch len(what) {
case 0:
case 1:
b = b.what(what[0])
default:
b = b.what(newPart(what[0], what[1:]...))
}
return b
}