target_url text,impressions_count bigintDEFAULT0,clicks_count bigintDEFAULT0,created_at timestamp without time zoneNOTNULL,updated_at timestamp without time zoneNOTNULL,PRIMARYKEY(company_id,id),--addedFOREIGNKEY(company_id,campaign_id)--addedREFERENCEScampaigns(company_id,id));CREATETABLEclicks(id...
$apt-cache depends postgresql-12postgresql-12|depends: localeslocales-all:i386locales-alldepends: locales-alllocales-all:i386depends: postgresql-client-12postgresql-client-12:i386depends: postgresql-commondepends: ssl-certdepends: tzdatadepends: debconfdepends: <debconf-2.0>cdebconfdebconfdepends: libc...
/** This struct of function pointers defines the API between smgr.c and* any individual storage manager module. Note that smgr subfunctions are* generally expected to report problems via elog(ERROR). An exception is* that smgr_unlink should use elog(WARNING), rather than erroring out,* becau...
原因:SQLfunctions can be declared to accept and return the polymorphic typesanyelement,anyarray,anynonarray,anyenum, andanyrange.This is required if the argument is just a string literal, since otherwise it would be treated as typeunknown。而通过文档发现array_to_string(anyarray, text [, text]...
{ name: supabase_functions_admin ,password: 'DBUser.Supa' ,pgbouncer: true ,inherit: false ,roles: [ dbrole_admin ] ,createrole: true } - { name: supabase_replication_admin ,password: 'DBUser.Supa' ,replication: true ,roles: [ dbrole_admin ]} - { name: supabase_read_only_user ,...
jsonb_extract_path(test.json_msg , 'goods' ) ) as jae where jae::json->> 'id' in ('1001','1003') ) > 0 ; 1. 2. 3. 4. 输出: 效率还行: Total query runtime: 11 msec 检索到 2 行。 官方文档页: https://www.postgresql.org/docs/9.4/static/functions-json.html ...
Statistics files The output directory with all statistics collected should look likes: /tmp/stat_db1/ |-- commit_memory.csv |-- end-pg_statio_user_indexes.csv |-- end-pg_statio_user_sequences.csv |-- end-pg_statio_user_tables.csv |-- end-pg_stat_user_functions.csv |-- end-pg_...
The functions ts_headline() and to_tsvector() can now be used on these data types. file_fdw支持命令行返回值作为源 file_fdw是一个文件外部表接口,用于将文件作为外部表数据源来使用,现在,file_fdw支持command的输出结果作为外部表的输入源了。 CREATE FOREIGN TABLE test(a int, b text) SERVER csv ...
但对于组合索引的情况更复杂,只能忽略带 text 类型的,好在索引不影响功能。 🌟 data migration pg2mysql 可以把 pgdump 出来的 insert 语句转换成兼容 MySQL 语法的形式,但只限于简单的形式,一些带有 array 和json的格式会乱掉,但这部分用 Ruby 处理起来是正确的,分成两部分处理,首先 pg2mysql 来处理排除一些...
if(save_log_statement_stats)ResetUsage();/** Start up a transaction command. All queries generated by the* query_string will be in this same command block, *unless* we find a* BEGIN/COMMIT/ABORT statement; we have to force a new xact command after* one of those, else bad things ...