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Implement IMPORT FOREIGN SCHEMA.

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This command provides an automated way to create foreign table definitions
that match remote tables, thereby reducing tedium and chances for error.
In this patch, we provide the necessary core-server infrastructure and
implement the feature fully in the postgres_fdw foreign-data wrapper.
Other wrappers will throw a "feature not supported" error until/unless
they are updated.

Ronan Dunklau and Michael Paquier, additional work by me
This commit is contained in:
Tom Lane
2014-07-10 15:01:31 -04:00
parent 6a605cd6bd
commit 59efda3e50
29 changed files with 1239 additions and 15 deletions
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3
contrib/postgres_fdw/deparse.c
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@ -116,7 +116,6 @@ static void deparseReturningList(StringInfo buf, PlannerInfo *root,
static void deparseColumnRef(StringInfo buf, int varno, int varattno,
PlannerInfo *root);
static void deparseRelation(StringInfo buf, Relation rel);
static void deparseStringLiteral(StringInfo buf, const char *val);
static void deparseExpr(Expr *expr, deparse_expr_cxt *context);
static void deparseVar(Var *node, deparse_expr_cxt *context);
static void deparseConst(Const *node, deparse_expr_cxt *context);
@ -1160,7 +1159,7 @@ deparseRelation(StringInfo buf, Relation rel)
/*
* Append a SQL string literal representing "val" to buf.
*/
static void
void
deparseStringLiteral(StringInfo buf, const char *val)
{
const char *valptr;