- 修复 PostgreSQL CodeFirst/DbFirst 系统表的版本兼容问题；

Author: 28810

Providers/FreeSql.Provider.Odbc/PostgreSQL/OdbcPostgreSQLCodeFirst.cs

@@ -183,7 +183,7 @@ protected override string GetComparisonDDLStatements(params TypeAndName[] object
 case when t.typelem > 0 and t.typinput::varchar = 'array_in' then t2.typname else t.typname end,
 case when a.attnotnull then '0' else '1' end as is_nullable,
 --e.adsrc,
-(select pg_get_expr(adbin, adrelid) from pg_attrdef where adrelid = e.adrelid) is_identity,
+(select pg_get_expr(adbin, adrelid) from pg_attrdef where adrelid = e.adrelid limit 1) is_identity,
 a.attndims,
 d.description as comment
 from pg_class c

Providers/FreeSql.Provider.Odbc/PostgreSQL/OdbcPostgreSQLDbFirst.cs

@@ -210,7 +210,7 @@ where b.nspname not in ('pg_catalog', 'information_schema') and a.relkind in ('m
 case when t.typelem = 0 then t.typname else t2.typname end,
 case when a.attnotnull then 0 else 1 end as is_nullable,
 --e.adsrc as is_identity, pg12以下
-(select pg_get_expr(adbin, adrelid) from pg_attrdef where adrelid = e.adrelid) is_identity,
+(select pg_get_expr(adbin, adrelid) from pg_attrdef where adrelid = e.adrelid limit 1) is_identity,
 d.description as comment,
 a.attndims,
 case when t.typelem = 0 then t.typtype else t2.typtype end,

Providers/FreeSql.Provider.PostgreSQL/PostgreSQLCodeFirst.cs

@@ -218,7 +218,7 @@ protected override string GetComparisonDDLStatements(params TypeAndName[] object
 case when t.typelem > 0 and t.typinput::varchar = 'array_in' then t2.typname else t.typname end,
 case when a.attnotnull then '0' else '1' end as is_nullable,
 --e.adsrc,
-(select pg_get_expr(adbin, adrelid) from pg_attrdef where adrelid = e.adrelid) is_identity,
+(select pg_get_expr(adbin, adrelid) from pg_attrdef where adrelid = e.adrelid limit 1) is_identity,
 a.attndims,
 d.description as comment
 from pg_class c

Providers/FreeSql.Provider.PostgreSQL/PostgreSQLDbFirst.cs

@@ -320,7 +320,7 @@ where b.nspname not in ('pg_catalog', 'information_schema') and a.relkind in ('m
 case when t.typelem = 0 then t.typname else t2.typname end,
 case when a.attnotnull then 0 else 1 end as is_nullable,
 --e.adsrc as is_identity, pg12以下
-(select pg_get_expr(adbin, adrelid) from pg_attrdef where adrelid = e.adrelid) is_identity,
+(select pg_get_expr(adbin, adrelid) from pg_attrdef where adrelid = e.adrelid limit 1) is_identity,
 d.description as comment,
 a.attndims,
 case when t.typelem = 0 then t.typtype else t2.typtype end,