Backpatch missing check_stack_depth() to some recursive functions
Backpatch changes from d57b7cc333, 75bcba6cbd to all supported branches per proposal of Egor Chindyaskin. Discussion: https://postgr.es/m/DE5FD776-A8CD-4378-BCFA-3BF30F1F6D60%40mail.ru
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@ -73,6 +73,7 @@
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#include "commands/sequence.h"
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#include "commands/trigger.h"
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#include "commands/typecmds.h"
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#include "miscadmin.h"
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#include "nodes/nodeFuncs.h"
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#include "parser/parsetree.h"
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#include "rewrite/rewriteRemove.h"
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@ -510,6 +511,12 @@ findDependentObjects(const ObjectAddress *object,
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if (stack_address_present_add_flags(object, objflags, stack))
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return;
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/*
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* since this function recurses, it could be driven to stack overflow,
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* because of the deep dependency tree, not only due to dependency loops.
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*/
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check_stack_depth();
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/*
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* It's also possible that the target object has already been completely
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* processed and put into targetObjects. If so, again we just add the
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@ -593,6 +593,9 @@ CheckAttributeType(const char *attname,
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char att_typtype = get_typtype(atttypid);
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Oid att_typelem;
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/* since this function recurses, it could be driven to stack overflow */
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check_stack_depth();
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if (att_typtype == TYPTYPE_PSEUDO)
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{
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/*
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@ -6231,6 +6231,9 @@ ATExecAddColumn(List **wqueue, AlteredTableInfo *tab, Relation rel,
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AclResult aclresult;
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ObjectAddress address;
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/* since this function recurses, it could be driven to stack overflow */
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check_stack_depth();
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/* At top level, permission check was done in ATPrepCmd, else do it */
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if (recursing)
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ATSimplePermissions(rel, ATT_TABLE | ATT_FOREIGN_TABLE);
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@ -7956,6 +7959,10 @@ ATExecDropColumn(List **wqueue, Relation rel, const char *colName,
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/* Initialize addrs on the first invocation */
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Assert(!recursing || addrs != NULL);
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/* since this function recurses, it could be driven to stack overflow */
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check_stack_depth();
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if (!recursing)
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addrs = new_object_addresses();
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@ -10086,6 +10093,9 @@ ATExecAlterConstrRecurse(Constraint *cmdcon, Relation conrel, Relation tgrel,
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Oid refrelid;
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bool changed = false;
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/* since this function recurses, it could be driven to stack overflow */
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check_stack_depth();
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currcon = (Form_pg_constraint) GETSTRUCT(contuple);
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conoid = currcon->oid;
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refrelid = currcon->confrelid;
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@ -11067,6 +11077,9 @@ ATExecDropConstraint(Relation rel, const char *constrName,
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bool is_no_inherit_constraint = false;
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char contype;
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/* since this function recurses, it could be driven to stack overflow */
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check_stack_depth();
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/* At top level, permission check was done in ATPrepCmd, else do it */
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if (recursing)
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ATSimplePermissions(rel, ATT_TABLE | ATT_FOREIGN_TABLE);
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@ -2456,6 +2456,10 @@ static Node *
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eval_const_expressions_mutator(Node *node,
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eval_const_expressions_context *context)
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{
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/* since this function recurses, it could be driven to stack overflow */
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check_stack_depth();
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if (node == NULL)
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return NULL;
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switch (nodeTag(node))
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@ -1235,6 +1235,9 @@ executeBoolItem(JsonPathExecContext *cxt, JsonPathItem *jsp,
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JsonPathBool res;
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JsonPathBool res2;
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/* since this function recurses, it could be driven to stack overflow */
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check_stack_depth();
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if (!canHaveNext && jspHasNext(jsp))
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elog(ERROR, "boolean jsonpath item cannot have next item");
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