* Disallow ALTER TABLE (and similar commands) when the current backend has * any open reference to the target table besides the one just acquired by

* Parse cpuset to bitset * If cpuset is "1,3-5", Bitmapset 1,3,4,5 are set. */

---------------- * CreateDestReceiver - return appropriate receiver function set for dest * ---------------- */

* Store a minimal tuple into TTSOpsMinimalTuple type slot. * * If the target slot is not guaranteed to be TTSOpsMinimalTuple type slot, * use the,

--------------------------------------------------------------------------- @function: CExpressionHandle::FScalarChild @doc: Check if a given child i

* Free a TupleDesc including all substructure */

* GetCatalogSnapshot * Get a snapshot that is sufficiently up-to-date for scan of the * system catalog with the specified OID. */

sum of number of distinct values from buckets

GetOptS3 returns first value according to given key. key=value pair are separated by whitespace.

* GetTopTransactionIdIfAny * * This will return the XID of the main transaction, if one is assigned. * It will return InvalidTransactionId if we ar

--------------------------------------------------------------------------- @function: CBucket::MakeBucketCopy @doc: Copy of bucket. Points are share

* MemoryContextSetParent * Change a context to belong to a new parent (or no parent). * * We provide this as an API function because it is sometim

* Open a file with PathNameOpenFilePerm() and pass default file mode for the * fileMode parameter. */

--------------------------------------------------------------------------- @function: CPhysicalDML::PdsRequired @doc: Compute required distribution

metadata accessor

* Return the ReorderBufferTXN from the given buffer, specified by Xid. * If create is true, and a transaction doesn't already exist, create it * (wi

--------------------------------------------------------------------------- @function: CMDAccessor::RetrieveFunc @doc: Retrieves the metadata descrip

Obsolete version of SPI_execute */

* UnlockRelationForExtension */

* _hash_getbuf() -- Get a buffer by block number for read or write. * * 'access' must be HASH_READ, HASH_WRITE, or HASH_NOLOCK. * 'flags' is a bi

* Append a string (terminated by '\0') to the GpPipeProtoChunk. * * If GpPipeProtoChunk does not have space for the given string, * this function a

-------------------- * eval_const_expressions * * Reduce any recognizably constant subexpressions of the given * expression tree, for example "2 +

* exec_prog() * Execute an external program with stdout/stderr redirected, and report * errors * * Formats a command from the given argument lis

* fix_upper_expr * Modifies an expression tree so that all Var nodes reference outputs * of a subplan. Also looks for Aggref nodes that should be

Return a list of SegmentPair objects for all segments in the array

Returns a tuple which consists of the standby and segment hosts comprising the cluster. @return: tuple containing the standby and segmen

* get_opclass_family * * Returns the OID of the operator family the opclass belongs to. */

* get_relname_relid * Given name and namespace of a relation, look up the OID. * * Returns InvalidOid if there is no such relation. */

* get_rule_expr_paren - deparse expr using get_rule_expr, * embracing the string with parentheses if necessary for prettyPrint. * * Never embrace i

---------------- * index_rescan - (re)start a scan of an index * * During a restart, the caller may specify a new set of scankeys and/or * order

malloc + error check */

* performDeletion: attempt to drop the specified object. If CASCADE * behavior is specified, also drop any dependent objects (recursively). * If RE

* pg_atomic_add_fetch_u32 - atomically add to variable * * Returns the value of ptr after the arithmetic operation. * * Full barrier semantics. *

* pg_atomic_sub_fetch_u32 - atomically subtract from variable * * Returns the value of ptr after the arithmetic operation. Note that sub_ may * not

returns the length (counted in wchars) of a multibyte string * (not necessarily NULL terminated) */

* pg_usleep --- delay the specified number of microseconds. * * NOTE: although the delay is specified in microseconds, the effective * resolution i

---------- * pgstat_fetch_stat_tabentry() - * * Support function for the SQL-callable pgstat* functions. Returns * the collected statistics for on

-------------------------------- * pq_getmsgend - verify message fully consumed * -------------------------------- */

* preprocess_expression * Do subquery_planner's preprocessing work for an expression, * which can be a targetlist, a WHERE clause (including JOIN/

This method returns a new string replacing "" with ", and removing the " at the start and end of the string.

* If we are executing a CREATE EXTENSION operation, mark the given object * as being a member of the extension, or check that it already is one. * O

* Print "doing something ..." --- supplied text should not end with newline */

* Get tiebreaker heap TID attribute, if any. * * This returns the first/lowest heap TID in the case of a posting list tuple. */

* Append the steps necessary for the evaluation of node to ExprState->steps, * possibly recursing into sub-expressions of node. * * node - expressi

* LWLockInitialize - initialize a new lwlock; it's initially unlocked */

* Returns the byte length of the character beginning at s, using the * specified encoding; but not more than the distance to end of string. */

* PQsendQueryParams * Like PQsendQuery, but use extended query protocol so we can pass parameters */

* PageGetHeapFreeSpace * Returns the size of the free (allocatable) space on a page, * reduced by the space needed for a new line pointer. * * T

comparator

* ReadCommonScan * Assign the basic stuff of all nodes that inherit from Scan */

* ReleaseCatCacheList * * Decrement the reference count of a catcache list. */

--------------------------------------------------------------------------- @function: CTranslatorRelcacheToDXL::RetrieveRel @doc: Retrieve a relatio

* Attach substitute and/or assign hook functions to the named variable. * If you need only one hook, pass NULL for the other. * * If the variable d

--------------------------------------------------------------------------- @function: CTranslatorDXLToScalar::TranslateDXLToScalar @doc: Translates

the id of the operator

* print the basic stuff of all nodes that inherit from Scan */

* connAddHash * Add a connection to the hash table * * Note: we want to add a connection to the hashtable if it isn't * already there ... so we

Add a host to the hostlist.

* bms_intersect - set intersection */

* cdbpathlocus_is_valid * * Returns true if locus appears structurally valid. */

* clauselist_selectivity - * Compute the selectivity of an implicitly-ANDed list of boolean * expression clauses. The list can be empty, in whi

* RxBufferPool::get * Get a receive buffer. * * SHOULD BE CALLED WITH ic_control_info.lock *LOCKED* * * NOTE: This function MUST NOT contain el

Is clause an OR clause? */

* Search encoding by encoding name * * Returns encoding ID, or -1 if not recognized */

* Create a locale_t from a collation OID. Results are cached for the * lifetime of the backend. Thus, do not free the result with freelocale(). *

* pqTraceOutputInt16: output a 2-byte integer message to the log */

* Show a qualifier expression for a scan plan node */