---------------- * ExecInitExtraTupleSlot * * Return a newly created slot. If tupledesc is non-NULL the slot will have * that as its fixed tupled

sum of frequencies from buckets.

* GetLatestSnapshot * Get a snapshot that is up-to-date as of the current instant, * even if we are executing in transaction-snapshot mode. */

* SHMQueueInsertBefore -- put elem in queue before the given queue * element. Inserting "before" the queue head puts the elem * at the tail of th

* bms_del_member - remove a specified member from set * * No error if x is not currently a member of set * * Input set is modified in-place! */

* errhidestmt --- optionally suppress STATEMENT: field of log entry * * This should be called if the message text already includes the statement. *

* errmsg_plural --- add a primary error message text to the current error, * with support for pluralization of the message text */

* fetch_upper_rel * Build a RelOptInfo describing some post-scan/join query processing, * or return a pre-existing one if somebody already built i

* Copy an FmgrInfo struct * * This is inherently somewhat bogus since we can't reliably duplicate * language-dependent subsidiary info. We cheat b

* Format a Postgres version number (in the PG_VERSION_NUM integer format * returned by PQserverVersion()) as a string. This exists mainly to * enca

* icBufferListLength * Get the list length. */

* INT32 */

* Construct a string in state->errormsg_buf explaining what's wrong with * the current record being read. */

* vacuum_delay_point --- check for interrupts and cost-based delay. * * This should be called in each major loop of VACUUM processing, * typically

Function walk_plan_node_fields is a subroutine used by plan_tree_walker() * to walk the fields of Plan nodes. Plan is actually an abstract superclas

* xml_ereport --- report an XML-related error * * The "msg" is the SQL-level message; some can be adopted from the SQL/XML * standard. This functi

--------------------------------------------------------------------------- @function: CDXLUtils::GetDatum @doc: Translate the optimizer datum from d

* Get user name from user oid, returns NULL for nonexistent roleid if noerr * is true. */

* Call a previously-looked-up datatype input function. * * "str" may be NULL to indicate we are reading a NULL. In this case * the caller should a

--------------------------------------------------------------------------- @function: CColRefSet::PcrFirst @doc: Return first member --------------

Derive all properties immediately. The suitable derived property is determined internally. To derive properties on an on-demand bases, use DeriveXXX()

rewindability accessor

* ShmemQueueInit -- make the head of a new queue point * to itself */

return basic pointer

* Ensure that all XLOG data through the given position is flushed to disk. * * NOTE: this differs from XLogWrite mainly in that the WALWriteLock is

* acldefault() --- create an ACL describing default access permissions * * Change this routine if you want to alter the default access policy for

* aclmembers * Find out all the roleids mentioned in an Acl. * Note that we do not distinguish grantors from grantees. * * *roleids is set to po

* Add the given nsitem/RTE as a top-level entry in the pstate's join list * and/or namespace list. (We assume caller has checked for any * namespac

* Add an item at the end of a stringlist. */

* add_var() - * * Full version of add functionality on variable level (handling signs). * result might point to one of the operands too without dan

* contain_vars_of_level * Recursively scan a clause to discover whether it contains any Var nodes * of the specified query level. * * Return

* Insert a node at the end of the list. */

Get a database connection from the pool

* Merging the results of several gin scans compares item pointers a lot, * so we want this to be inlined. */

* mul_var() - * * Multiplication on variable level. Product of var1 * var2 is stored * in result. Result is rounded to no more than rscale fractio

* Report an error we got from the remote server. * * elevel: error level to use (typically ERROR, but might be less) * res: PGresult containing the

---------- * pgstat_report_activity() - * * Called from tcop/postgres.c to report what the backend is actually doing * (but note cmd_str can be NU

* pqGetInt * read a 2 or 4 byte integer and convert from network byte order * to local byte order */

* set_cheapest * Find the minimum-cost paths from among a relation's paths, * and save them in the rel's cheapest-path fields. * * cheapest_to

* Support for assigning to an "extra" field of a GUC item. Free the prior * value if it's not referenced anywhere else in the item (including stacke

* textToQualifiedNameList - convert a text object to list of names * * This implements the input parsing needed by nextval() and other * functions

* tuplesort_end * * Release resources and clean up. * * NOTE: after calling this, any pointers returned by tuplesort_getXXX are * pointing to gar

* All tuples have been provided; finish the sort. */

* tuplestore_end * * Release resources and clean up. */

* Writes n bits to the bitstream. * Advances the bitstream cursor. */

* Close a BufFile * * Like fclose(), this also implicitly FileCloses the underlying File. */

* CacheInvalidateRelcache * Register invalidation of the specified relation's relcache entry * at end of command. * * This is used in places tha

* CdbDispatchCommand: * * Execute plain command on all primary writer QEs. * If one or more QEs got error, throw a Error. * * -flags: * Is the

* GetCurrentTransactionId * * This will return the XID of the current transaction (main or sub * transaction), assigning one if it's not yet set.

global memory pool accessor

--------------------------------------------------------------------------- @function: CMDRelationGPDB::GetMdCol @doc: Returns the column at the spec

accessor

insert an element if key is not yet present

IsBinaryCoercible() * Check if srctype is binary-coercible to targettype. * * This notion allows us to cheat and directly exchange values without

* Provide index of locally executing slice */

* LockRelease -- look up 'locktag' and release one 'lockmode' lock on it. * Release a session lock if 'sessionLock' is true, else release a * regu

* Enter a new nesting level for GUC values. This is called at subtransaction * start, and when entering a function that has proconfig settings, and

--------------------------------------------------------------------------- @function: CTranslatorDXLToExpr::Pos @doc: Construct an order spec from a

* TimestampDifferenceExceeds -- report whether the difference between two * timestamps is >= a threshold (expressed in milliseconds) * * Both inpu

* UnlockRelationOid * * Unlock, given only a relation Oid. Use UnlockRelationId if you can. */

* Validate the signature (argument and result types) of an opclass support * function. Return true if OK, false if not. * * The "..." represents m

* Insert a node at the beginning of the list. */

* getTypeInputInfo * * Get info needed for converting values of a type to internal form */

* get_func_rettype * Given procedure id, return the function's result type. */

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

* Make copy of string with all trailing newline characters removed. */

* pg_fsync --- do fsync with or without writethrough */

* pqPutMsgEnd: finish constructing a message and possibly send it * * Returns 0 on success, EOF on error * * We don't actually send anything here

* pqPutMsgStart: begin construction of a message to the server * * msg_type is the message type byte, or 0 for a message without type byte * (only