vertx / io.vertx.kotlin.ext.asyncsql / io.vertx.ext.asyncsql.PostgreSQLClient / querySingleAwait

# querySingleAwait

`suspend fun PostgreSQLClient.querySingleAwait(sql: String): JsonArray?`

Execute a one shot SQL statement that returns a single SQL row. This method will reduce the boilerplate code by getting a connection from the pool (this object) and return it back after the execution. Only the first result from the result set is returned.

### Parameters

`sql` - the statement to execute

Return
self *