* Add another expression evaluation step to ExprState->steps. * * Note that this potentially re-allocates es->steps, therefore no pointer * into th

--------------------------------------------------------------------------- @function: CDXLNode::SerializeChildrenToDXL @doc: Serializes the node's c

does group hold scalar expressions ?

* Prepend a new element to the list. A pointer to the modified list * is returned. Note that this function may or may not destructively * modify the

* PQgetResult * Get the next PGresult produced by a query. Returns NULL if no * query work remains or an error has occurred (e.g. out of * m

not allow caller pass the `PAX_SOPT_STORAGE_FORMAT` */

--------------------------------------------------------------------------- @function: CTranslatorDXLToExpr::Ptabdesc @doc: Construct a table descrip

* Get next JsonbValue while iterating * * Caller should initially pass their own, original iterator. They may get * back a child iterator palloc()

* cstring_to_text_with_len * * Same as cstring_to_text except the caller specifies the string length; * the string need not be null_terminated. */

* exprTypmod - * returns the type-specific modifier of the expression's result type, * if it can be determined. In many cases, it can't and we

* get_call_result_type * Given a function's call info record, determine the kind of datatype * it is supposed to return. If resultTypeId isn't NU

* Compare two range boundary points, returning <0, 0, or >0 according to * whether b1 is less than, equal to, or greater than b2. * * The boundarie

* The database encoding, also called the server encoding, represents the * encoding of data stored in text-like data types. Affected types include

---------------------------------------------------------------- * proc_exit * * this function calls all the callbacks registered * for it (to

This searches 'buffer' for the first occurence of one of the regular expressions. 'freshlen' must indicate the number of bytes at the end of

* Close a file returned by AllocateFile. * * Note we do not check fclose's return value --- it is up to the caller * to handle close errors. */

--------------------------------------------------------------------------- @function: CCacheFactory::Pmp @doc: Returns a pointer to allocated memory

-------------------- * SHMQueueNext -- Get the next element from a queue * * To start the iteration, pass the queue head as both queue and curElem.

---------- * get_rule_expr - Parse back an expression * * Note: showimplicit determines whether we display any implicit cast that * is present a

---------------- * index_open - open an index relation by relation OID * * If lockmode is not "NoLock", the specified kind of lock is * obtaine

* makeTargetEntry - * creates a TargetEntry node */

accessor of output column array

* lookup_type_cache * * Fetch the type cache entry for the specified datatype, and make sure that * all the fields requested by bits in 'flags' are

-------------------------------- * ExecDropSingleTupleTableSlot * * Release a TupleTableSlot made with MakeSingleTupleTableSlot. * DON'T use th

get underlying memory pool

* GetTransactionSnapshot * Get the appropriate snapshot for a new query in a transaction. * * Note that the return value may point at static stora

owner group expression accessor

--------------------------------------------------------------------------- @function: CMemo::Pgroup @doc: Get group by id; ------------------------

accessor

* Print formatted text to the output file (usually stdout). */

* Obtain a backend-local address for a dsa_pointer. 'dp' must point to * memory allocated by the given area (possibly in another process) that * ha

* makeVar - * creates a Var node */

* quote_qualified_identifier - Quote a possibly-qualified identifier * * Return a name of the form qualifier.ident, or just ident if qualifier * is

* get_rel_relkind * * Returns the relkind associated with a given relation. */

* ICBufferList::length * Get the list length. */

element equality function for hashtable

* pg_usleep --- delay the specified number of microseconds, but * stop waiting if a signal arrives. * * This replaces the non-signal-aware version

---------- * pgstat_report_wait_start() - * * Called from places where server process needs to wait. This is called * to report wait event inform

--------------------------------------------------------------------------- @function: CDXLNode::AssertValid @doc: Checks whether node is well-struct

--------------------------------------------------------------------------- @function: CParseHandlerBase::startElement @doc: Invoked by Xerces to pro

--------------------------------------------------------------------------- @function: CScalarAggFunc::MDId @doc: Aggregate function id ------------

* Note that we cannot free any connection back to the QD at SPI_finish time. * Our transaction may not be complete yet, so we don't yet know if the w

* Fill a FmgrInfo struct, specifying a memory context in which its * subsidiary data should go. */

* Return true iff the OID 'datum' is a member of the list. */

--------------------------------------------------------------------------- @function: CExpressionHandle::Attach @doc: Attach to a given expression

--------------------------------------------------------------------------- @function: CColRefSet::FMember @doc: Check if given column ref is in the

* Run accumulated on_exit_nicely callbacks in reverse order and then exit * without printing any message. * * If running in a parallel worker threa

* Convert array dimensions into number of elements * * This must do overflow checking, since it is used to validate that a user * dimensionality re

* contain_volatile_functions * Recursively search for volatile functions within a clause. * * Returns true if any volatile function (or operator

return value

* tuplestore_begin_heap * * Create a new tuplestore; other types of tuple stores (other than * "heap" tuple stores, for heap tuples) are possible,

--------------------------------------------------------------------------- @function: CCostContext::IsValid @doc: Check validity by comparing derive

count down

Public */

--------------------------------------------------------------------------- @function: CDatumOidGPDB::IsNull @doc: Accessor of is null -------------

* ShmemInitStruct -- Create/attach to a structure in shared memory. * * This is called during initialization to find or allocate * a data structu

* construct_array --- simple method for constructing an array object * * elems: array of Datum items to become the array contents * (NULL elemen

Return the primary datadirectory location for the segment.

Returns the listening port for the postmaster for this segment.

* pg_atomic_read_u32 - unlocked read from atomic variable. * * The read is guaranteed to return a value as it has been written by this or * another

* Add a footer to the table. * * Footers are added as elements of a singly-linked list, and the content is * strdup'd, so there is no need to keep

* Externally visible entry points */

* End relation scan. */

* elog */

* Add buffer-specific data to the WAL record that's being constructed. * * Block_id must reference a block previously registered with * XLogRegiste

* init_var_from_num() - * * Initialize a variable from packed db format. The digits array is not * copied, which saves some cycles when the resulti

* CreateTupleDescCopy * This function creates a new TupleDesc by copying from an existing * TupleDesc. * * !!! Constraints and defaults are not

* FlushErrorState --- flush the error state after error recovery * * This should be called by an error handler after it's done processing * the err

* Clear the latch. Calling WaitLatch after this will sleep, unless * the latch is set again before the WaitLatch call. */

rows accessor

* _bt_relbuf() -- release a locked buffer. * * Lock and pin (refcount) are both dropped. */

Return a list of all Segment objects that make up the array

Factory method, initializes a GpArray from provided database URL

* Look up a TOC entry. * * If the key is not found, returns NULL if noError is true, otherwise * throws elog(ERROR). * * Unlike the other functio

* slot_getattr - fetch one attribute of the slot's contents. */