$result =pg_query_params($DBC,"\n\t\t\t\t\t\t\t\t\t\tWITH men_number_tb AS(\nSELECT count(customerid) AS men_number FROM customers WHERE sex='M' AND user_group_id=2\n)\nSELECT round(avg(men_number) / count(customerid), 2) FROM customers, men_number_tb WHERE user_group...
php postgresql pg_query_params()函数可以用来在PHP和Postgres中传递DESC或ASC参数。下面是一个示例: $query = "SELECT * FROM table ORDER BY column_name $1"; $result = pg_query_params($dbconn, $query, array("DESC"));发布于 1 年前 本站已为你智能检索到如下内容,以供参考: 🐻 相关问答 3...
import Params from "pg-params"; const params = Params({ name: "jeswin", country: "india" }); const queryText = ` SELECT * FROM user WHERE name=${dbParams.id("name")} AND country=${dbParams.id("country")}`; client.query(queryText, dbParams.values());...
PQsendQueryGuts函数是传统批处理模式下使用extended query协议发送查询的接口,在调用该函数之前PQsendQueryStart必须已经调用了。 static int PQsendQueryGuts(PGconn *conn,const char *command,const char *stmtName,int nParams,const Oid *paramTypes,const char *const *paramValues,const int *paramLengths,const...
pg_query—执行查询 说明 pg_query(resource$connection,string$query):resource pg_query()在查询可以执行时返回查询结果资源号。如果查询失败或者提供的连接号无效则返回false。如果连接号有效,则可以用pg_last_error()函数来提取详细的错误信息。pg_query()发送一条 SQL 语句到connection资源指定的 PostgreSQL 数据库...
PostgreSQL数据库网络层——libpq 查询协议PGQueryClass typedefenum { PGQUERY_SIMPLE,/* simple Query protocol (PQexec) */ PGQUERY_EXTENDED,/* full Extended protocol (PQexecParams) */ PGQUERY_PREPARE,/* Parse only (PQprepare) */ PGQUERY_DESCRIBE,/* Describe Statement or Portal */...
I realize I can simply insert the latitude and longitude and then separately use these columns to generate the_geom column, but there must be a way to do this in one command while still benefiting from using this params function rather than the usual pg_query. Any recommendations a...
{commandTag = CMDTAG_CREATE_TABLE, nprocessed = 0}, stmts = 0x55dbe01c2a58, cplan = 0x0, portalParams = 0x0, queryEnv = 0x0, strategy = PORTAL_MULTI_QUERY, cursorOptions = 4, run_once = false, status = PORTAL_READY, portalPinned = false, autoHeld = false, queryDesc = 0x0,...
return pg_query_params($connection, $sql, array_values($updates)); } } up down 1 skippy at zuavra dot net¶ 17 years ago Beware of the following: pg_insert() and pg_update() are adding slashes to all character-like fields they work with. This makes them SQL injection super-safe,...
private void sendOneQuery(SimpleQuery query, SimpleParameterList params, int maxRows, int fetchSize, int flags) throws IOException { boolean asSimple = (flags & QueryExecutor.QUERY_EXECUTE_AS_SIMPLE) != 0; if (asSimple) { assert (flags & QueryExecutor.QUERY_DESCRIBE_ONLY) == 0 ...