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LibSQL: Parse UPDATE statement

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This also migrates parsing of conflict resolution to a helper method,
since both INSERT and UPDATE need it.
This commit is contained in:
Timothy Flynn 2021-04-23 21:40:19 -04:00 • committed by Linus Groh
parent 8d79b4a3e1
commit 0764a68616
5 changed files with 198 additions and 20 deletions
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36
Userland/Libraries/LibSQL/AST.h
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@ -807,6 +807,42 @@ private:
RefPtr<Select> m_select_statement;
};
class Update : public Statement {
public:
struct UpdateColumns {
Vector<String> column_names;
NonnullRefPtr<Expression> expression;
};
Update(RefPtr<CommonTableExpressionList> common_table_expression_list, ConflictResolution conflict_resolution, NonnullRefPtr<QualifiedTableName> qualified_table_name, Vector<UpdateColumns> update_columns, NonnullRefPtrVector<TableOrSubquery> table_or_subquery_list, RefPtr<Expression> where_clause, RefPtr<ReturningClause> returning_clause)
: m_common_table_expression_list(move(common_table_expression_list))
, m_conflict_resolution(conflict_resolution)
, m_qualified_table_name(move(qualified_table_name))
, m_update_columns(move(update_columns))
, m_table_or_subquery_list(move(table_or_subquery_list))
, m_where_clause(move(where_clause))
, m_returning_clause(move(returning_clause))
{
}
const RefPtr<CommonTableExpressionList>& common_table_expression_list() const { return m_common_table_expression_list; }
ConflictResolution conflict_resolution() const { return m_conflict_resolution; }
const NonnullRefPtr<QualifiedTableName>& qualified_table_name() const { return m_qualified_table_name; }
const Vector<UpdateColumns>& update_columns() const { return m_update_columns; }
const NonnullRefPtrVector<TableOrSubquery>& table_or_subquery_list() const { return m_table_or_subquery_list; }
const RefPtr<Expression>& where_clause() const { return m_where_clause; }
const RefPtr<ReturningClause>& returning_clause() const { return m_returning_clause; }
private:
RefPtr<CommonTableExpressionList> m_common_table_expression_list;
ConflictResolution m_conflict_resolution;
NonnullRefPtr<QualifiedTableName> m_qualified_table_name;
Vector<UpdateColumns> m_update_columns;
NonnullRefPtrVector<TableOrSubquery> m_table_or_subquery_list;
RefPtr<Expression> m_where_clause;
RefPtr<ReturningClause> m_returning_clause;
};
class Delete : public Statement {
public:
Delete(RefPtr<CommonTableExpressionList> common_table_expression_list, NonnullRefPtr<QualifiedTableName> qualified_table_name, RefPtr<Expression> where_clause, RefPtr<ReturningClause> returning_clause)