44 lines
1.3 KiB
C++
44 lines
1.3 KiB
C++
#include "PgAttributeContainer.h"
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#include "Pgsql_Col.h"
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#include "PgDatabaseCatalog.h"
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//SELECT attname, pg_get_expr(adbin, adrelid) AS def_value
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//FROM pg_attribute
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// JOIN pg_attrdef ON attrelid=adrelid AND attnum=adnum
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//WHERE atthasdef=true
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std::string PgAttributeContainer::getLoadQuery() const
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{
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std::string q = R"__(
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SELECT attrelid, attname, atttypid, attstattarget,
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attnum, attndims, atttypmod, attnotnull, atthasdef, attisdropped,
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attislocal, attcollation, attacl, attoptions, pg_get_expr(adbin, adrelid) AS def_value)__";
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if (m_catalog.serverVersion() >= 100000)
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q += ", attidentity";
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q +=
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"\n FROM pg_catalog.pg_attribute \n"
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" LEFT JOIN pg_attrdef ON attrelid=adrelid AND attnum=adnum";
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return q;
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}
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PgAttribute PgAttributeContainer::loadElem(const Pgsql::Row &row)
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{
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Pgsql::Col col(row);
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PgAttribute v;
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col >> v.relid >> v.name >> v.typid >> v.stattarget
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>> v.num >> v.ndims >> v.typmod >> v.notnull >> v.hasdef >> v.isdropped
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>> v.islocal >> v.collation >> v.acl >> v.options >> v.defaultValue;
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if (m_catalog.serverVersion() >= 100000)
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col >> v.identity;
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return v;
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}
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std::vector<PgAttribute> PgAttributeContainer::getColumnsForRelation(Oid oid) const
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{
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std::vector<PgAttribute> result;
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for (const auto &e : m_container)
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if (e.relid == oid)
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result.push_back(e);
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return result;
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}
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