ΠŸΠΎΠ»ΡŒΠ·ΠΎΠ²Π°Ρ‚Π΅Π»ΡŒΡΠΊΠΈΠ΅ Ρ„ΡƒΠ½ΠΊΡ†ΠΈΠΈ взаимодСйствия с Π‘Π” PostgreSQL

ΠŸΡ€ΠΈΠΌΠ΅Ρ€ содСрТит ΠΏΠΎΠ»ΡŒΠ·ΠΎΠ²Π°Ρ‚Π΅Π»ΡŒΡΠΊΠΈΠ΅ Ρ„ΡƒΠ½ΠΊΡ†ΠΈΠΈ, Π°Π½Π°Π»ΠΎΠ³ΠΈΡ‡Π½Ρ‹Π΅ ΡƒΡΡ‚Π°Ρ€Π΅Π²ΡˆΠΈΠΌ функциям Π‘Π” MySQL.

ΠŸΡ€ΠΈΠΌΠ΅Ρ€ #1 ΠŸΡ€ΠΈΠΌΠ΅Ρ€ ΠΏΠΎΠ»ΡŒΠ·ΠΎΠ²Π°Ρ‚Π΅Π»ΡŒΡΠΊΠΈΡ… Ρ„ΡƒΠ½ΠΊΡ†ΠΈΠΉ для Ρ€Π°Π±ΠΎΡ‚Ρ‹ с Π‘Π” PostgreSQL

<?php

// Ѐункция потрСбуСтся, ΠΏΠΎΡΠΊΠΎΠ»ΡŒΠΊΡƒ PostgreSQL-соСдинСниС связываСт Π±Π°Π·Ρƒ Π΄Π°Π½Π½Ρ‹Ρ…
function pg_list_dbs($db)
{
assert(is_resource($db));

$query = '
SELECT
d.datname as "Name",
u.usename as "Owner",
pg_encoding_to_char(d.encoding) as "Encoding"
FROM
pg_database d LEFT JOIN pg_user u ON d.datdba = u.usesysid
ORDER BY 1;
'
;
return
pg_query($db, $query);
}

// Бписок Ρ‚Π°Π±Π»ΠΈΡ†
function pg_list_tables($db)
{
assert(is_resource($db));

$query = "
SELECT
c.relname as \"Name\",
CASE c.relkind WHEN 'r' THEN 'table' WHEN 'v' THEN 'view' WHEN 'i' THEN 'index' WHEN 'S' THEN 'sequence' WHEN 's' THEN 'special' END as \"Type\",
u.usename as \"Owner\"
FROM
pg_class c LEFT JOIN pg_user u ON c.relowner = u.usesysid
WHERE
c.relkind IN ('r','v','S','')
AND c.relname !~ '^pg_'
ORDER BY 1;
"
;
return
pg_query($db, $query);
}

// Π‘ΠΌΠΎΡ‚Ρ€ΠΈΡ‚Π΅ Ρ‚Π°ΠΊΠΆΠ΅ описаниС Ρ„ΡƒΠ½ΠΊΡ†ΠΈΠΈ pg_meta_data(). Ѐункция Π²ΠΎΠ·Π²Ρ€Π°Ρ‰Π°Π΅Ρ‚ ΠΎΠΏΡ€Π΅Π΄Π΅Π»Π΅Π½ΠΈΠ΅ поля Π² Π²ΠΈΠ΄Π΅ массива
function pg_list_fields($db, $table)
{
assert(is_resource($db));
$query = "
SELECT
a.attname,
format_type(a.atttypid, a.atttypmod),
a.attnotnull,
a.atthasdef,
a.attnum
FROM
pg_class c,
pg_attribute a
WHERE
c.relname = '"
.$table."'
AND a.attnum > 0 AND a.attrelid = c.oid
ORDER BY a.attnum;
"
;
return
pg_query($db, $query);
}

?>
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