Package org.queryman.builder.command.select

Interface SelectJoinOnFirstStep

All Superinterfaces:

AstVisitor, Query, SelectCombiningQueryStep, SelectFinalStep, SelectGroupByStep, SelectHavingFirstStep, SelectLimitStep, SelectLockingStep, SelectOffsetStep, SelectOrderByStep, SelectWhereFirstStep

All Known Implementing Classes:

SelectImpl

public interface SelectJoinOnFirstStep
extends SelectWhereFirstStep

Compulsory step for all JOIN clauses. Exclusion is CROSS JOIN

See Also:

SelectJoinStep

Method Summary

Modifier and Type	Method	Description
SelectJoinManyStepsStep	on(boolean all)	This form of JOIN ON condition is equivalent to CROSS JOIN.
SelectJoinOnManySteps	on(Conditions conditions)
<T> SelectJoinOnManySteps	on(T left, T operator, T right)	Example: // SELECT * FROM book AS b JOIN author a ON a.id = b.author_id select("*") .from(asName("book").as("b")) .join("author a") .on("a.id", "=", "b.author_id") .sql()
SelectJoinOnManySteps	onExists(Query query)
SelectJoinManyStepsStep	using(java.lang.String... columns)	Example: // SELECT * FROM book JOIN author USING (id) select("*") .from("book") .join("author") .using("id") .sql()
SelectJoinManyStepsStep	using(Expression... columns)	Example: // SELECT * FROM book JOIN author USING (id) select("*") .from(asName("book")) .join("author") .using(asName("id")) .sql()

Methods inherited from interface org.queryman.builder.ast.AstVisitor

assemble

Methods inherited from interface org.queryman.builder.Query

buildPreparedStatement, sql

Methods inherited from interface org.queryman.builder.command.select.SelectCombiningQueryStep

except, exceptAll, intersect, intersectAll, union, unionAll

Methods inherited from interface org.queryman.builder.command.select.SelectGroupByStep

groupBy, groupBy

Methods inherited from interface org.queryman.builder.command.select.SelectHavingFirstStep

having, having, havingExists

Methods inherited from interface org.queryman.builder.command.select.SelectLimitStep

limit, limit

Methods inherited from interface org.queryman.builder.command.select.SelectLockingStep

forKeyShare, forNoKeyUpdate, forShare, forUpdate

Methods inherited from interface org.queryman.builder.command.select.SelectOffsetStep

offset, offset

Methods inherited from interface org.queryman.builder.command.select.SelectOrderByStep

orderBy, orderBy, orderBy, orderBy

Methods inherited from interface org.queryman.builder.command.select.SelectWhereFirstStep

where, where, whereExists

Method Detail

on

SelectJoinManyStepsStep on(boolean all)

This form of JOIN ON condition is equivalent to CROSS JOIN. Example: // SELECT * FROM book AS b JOIN author a ON (true) select("*") .from(asName("book").as("b")) .join("author a") .on(true) .sql()

on

<T> SelectJoinOnManySteps on(T left,
                             T operator,
                             T right)

Example: // SELECT * FROM book AS b JOIN author a ON a.id = b.author_id select("*") .from(asName("book").as("b")) .join("author a") .on("a.id", "=", "b.author_id") .sql()

Type Parameters:

T - String, Expression, Operator or Query object

Parameters:

left - left operand

operator - operator

right - right operand

on

SelectJoinOnManySteps on(Conditions conditions)

onExists

SelectJoinOnManySteps onExists(Query query)

using

SelectJoinManyStepsStep using(java.lang.String... columns)

Example: // SELECT * FROM book JOIN author USING (id) select("*") .from("book") .join("author") .using("id") .sql()

using

SelectJoinManyStepsStep using(Expression... columns)

Example: // SELECT * FROM book JOIN author USING (id) select("*") .from(asName("book")) .join("author") .using(asName("id")) .sql()