Returns the builder for {@link RexNode} expressions.

Creates a program that executes a rule set.

Accepts a visitor, dispatching to the right overloaded {@link RexVisitor#visitInputRef visitXxx} method. <p>Also see {@link RexUtil#apply(RexVisitor,

Returns the hints of this relational expressions as an immutable list.

Runs the test.

SQL <code>ROUND</code> operator applied to int values.

Returns the number of bits set to {@code true} in this {@code ImmutableBitSet}. @see #size()

Closes this enumerable and releases resources. <p>This method is idempotent. Calling it multiple times has the same effect as calling it once.

Returns the validator.

Creates a parse-tree node representing an occurrence of this keyword at a particular position in the parsed text.

Returns an exception indicating that we didn't expect to find this enumeration here. @param value Enumeration value which was not expected @return an

Wraps an exception with context.

Initializes a container then calls user-specified code with a planner. @param action Callback containing user-specified code @param config FrameworkC

Adds an edge to this graph. @param vertex Source vertex @param targetVertex Target vertex @return New edge, if added, otherwise null @throws IllegalA

Concat a list of lookups.

Creates a MemberExpression that represents accessing a field.

Returns the call node.

Returns the value of {@link #typeName}.

Returns the long value of this literal. @param exact Whether the value has to be exact. If true, and the literal is a fraction (e.g. 3.1

Creates a bitset with given bits set. <p>For example, {@code of(0, 3)} returns a bit set with bits {0, 3} set. @param bits Array of bits to set @ret

Called when test succeeds. Returns true.

Checks that the expression parses successfully and produces the given SQL when unparsed.

Creates a root schema. @param addMetadataSchema Whether to add "metadata" schema containing definitions of tables, columns etc.

Returns the ID of this relational expression, unique among all relational expressions created since the server was started. @return Unique ID

Returns an array of this relational expression's inputs. If there are no inputs, returns an empty list, not {@code null}. @return Array of this relat

Returns the type factory.

Creates a {@link Fluent} containing a script, that can then be used to translate and execute that script.

Prepares a statement based on a relational expression. @param rel Relational expression @throws SQLException on error

Simplifies a boolean expression. <p>In particular: <ul> <li>{@code simplify(x = 1 OR NOT x = 1 OR x IS NULL)} returns {@code TRUE}</li> <li>{@code si

Converts an Iterable to a List.

Creates a TypeBinaryExpression.

Returns whether the predicate is true for at least one pair in this list.

Multiplies this cost by a scalar factor. @param factor scalar factor @return scalar product of this and factor

Creates a name for a new variable, unique within this block, controlling whether the variable can be inlined later.

Matcher that succeeds for any collection that, when converted to strings and sorted on those strings, matches the given reference string. <p>Use it a

Converts a list of {@link Integer} objects to an array of primitive <code>int</code>s. @param integers List of Integer objects @return Array of primi

Returns accumulator variables that should be reset. There MUST be an assignment even if you just assign the default value. @return accumulator variab

Checks {@link RelMetadataQuery#getRowCount(RelNode)}, {@link RelMetadataQuery#getMaxRowCount(RelNode)}, and {@link RelMetadataQuery#getMinRowCount(Rel

Returns the list of grouping sets computed by this Aggregate. @return List of all grouping sets

Returns the Java type (often a Class) that represents a row. For example, in one row format, always returns {@code Object[].class}.

Returns a {@link JoinType}, never null.

Creates a Matcher that matches a {@link RelNode} if its string representation, after converting Windows-style line endings ("\r\n") to Unix-style line

Adds an input to the explanation of the current node. @param term Term for input, e.g. "left" or "input #1". @param input Input relational expressio

Returns a return-type inference that applies this rule then another rule, until one of them returns a not-null result.

Removes the contents of this sequence from a collection.

Returns an instance of Work for this thread.

Returns a matcher that tests whether an object is a list with the given contents. <p>If the list is empty use {@link org.hamcrest.Matchers#empty}.

Creates a SqlNodeList with a given backing list. Does not copy the list.

Reverses the contents of this PairList. Throws if this PairList is immutable. @see #reversed()

Sets the root node of this query. @param rel Relational expression

Tests that a given SQL statement simplifies to the salesTables result. @param expected Expected result after simplification.

Checks that an aggregate expression returns the expected result. <p>For example, <code>checkAgg("AVG(DISTINCT x)", new String[] {"2", "3", null, "3"

Creates a boolean literal.

Gets this type's character set, or null if this type cannot carry a character set or has no character set defined. @return charset of type

Returns the state of the current file.

Returns the cost of this plan (not including children). The base implementation throws an error; derived classes should override. <p>NOTE jvs 29-Mar-

Returns the approximate number of rows in the table.