use of org.jooq.impl.Tools.DataKey.DATA_WINDOW_DEFINITIONS in project jOOQ by jOOQ.
the class SelectQueryImpl method accept0.
final void accept0(Context<?> context) {
boolean topLevelCte = false;
// Subquery scopes are started in AbstractContext
if (context.subqueryLevel() == 0) {
context.scopeStart();
if (topLevelCte |= (context.data(DATA_TOP_LEVEL_CTE) == null))
context.data(DATA_TOP_LEVEL_CTE, new TopLevelCte());
}
SQLDialect dialect = context.dialect();
// [#2791] TODO: Instead of explicitly manipulating these data() objects, future versions
// of jOOQ should implement a push / pop semantics to clearly delimit such scope.
Object renderTrailingLimit = context.data(DATA_RENDER_TRAILING_LIMIT_IF_APPLICABLE);
Object localWindowDefinitions = context.data(DATA_WINDOW_DEFINITIONS);
Name[] selectAliases = (Name[]) context.data(DATA_SELECT_ALIASES);
try {
List<Field<?>> originalFields = null;
List<Field<?>> alternativeFields = null;
if (selectAliases != null) {
context.data().remove(DATA_SELECT_ALIASES);
alternativeFields = map(originalFields = getSelect(), (f, i) -> i < selectAliases.length ? f.as(selectAliases[i]) : f);
}
if (TRUE.equals(renderTrailingLimit))
context.data().remove(DATA_RENDER_TRAILING_LIMIT_IF_APPLICABLE);
// [#5127] Lazy initialise this map
if (localWindowDefinitions != null)
context.data(DATA_WINDOW_DEFINITIONS, null);
if (intoTable != null && !TRUE.equals(context.data(DATA_OMIT_INTO_CLAUSE)) && EMULATE_SELECT_INTO_AS_CTAS.contains(dialect)) {
context.data(DATA_OMIT_INTO_CLAUSE, true, c -> c.visit(createTable(intoTable).as(this)));
return;
}
if (with != null)
context.visit(with);
else if (topLevelCte)
markTopLevelCteAndAccept(context, c -> {
});
pushWindow(context);
Boolean wrapDerivedTables = (Boolean) context.data(DATA_WRAP_DERIVED_TABLES_IN_PARENTHESES);
if (TRUE.equals(wrapDerivedTables)) {
context.sqlIndentStart('(').data().remove(DATA_WRAP_DERIVED_TABLES_IN_PARENTHESES);
}
switch(dialect) {
case CUBRID:
case FIREBIRD:
case MYSQL:
case YUGABYTEDB:
{
if (getLimit().isApplicable() && getLimit().withTies())
toSQLReferenceLimitWithWindowFunctions(context);
else
toSQLReferenceLimitDefault(context, originalFields, alternativeFields);
break;
}
// By default, render the dialect's limit clause
default:
{
toSQLReferenceLimitDefault(context, originalFields, alternativeFields);
break;
}
}
// [#1296] [#7328] FOR UPDATE is emulated in some dialects using hints
if (forLock != null)
context.visit(forLock);
// end-of-query clauses are appended to the end of a query
if (!StringUtils.isBlank(option))
context.formatSeparator().sql(option);
if (TRUE.equals(wrapDerivedTables))
context.sqlIndentEnd(')').data(DATA_WRAP_DERIVED_TABLES_IN_PARENTHESES, true);
} finally {
context.data(DATA_WINDOW_DEFINITIONS, localWindowDefinitions);
if (renderTrailingLimit != null)
context.data(DATA_RENDER_TRAILING_LIMIT_IF_APPLICABLE, renderTrailingLimit);
if (selectAliases != null)
context.data(DATA_SELECT_ALIASES, selectAliases);
}
if (context.subqueryLevel() == 0)
context.scopeEnd();
}
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