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improve description of squery in README

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wg committed Jul 17, 2009
1 parent 57b963b commit 4acc379c6bd8a6d0531742b915207e78e9d696c9
Showing with 6 additions and 2 deletions.
  1. +6 −2 README
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8 README
@@ -23,11 +23,15 @@ Erlang PostgreSQL Database Client
* Simple Query
- {ok, Columns, Rows} = pgsql:squery(C, Sql).
- {error, Error} = pgsql:squery(C, InvalidSql).
+ {ok, Columns, Rows} = pgsql:squery(C, "select ...").
+ {ok, Count} = pgsql:squery(C, "update ...").
+ {ok, Count, Columns, Rows} = pgsql:squery(C, "insert ... returning ...").
+
+ {error, Error} = pgsql:squery(C, "invalid SQL").
Columns - list of column records, see pgsql.hrl for definition.
Rows - list of tuples, one for each row.
+ Count - integer count of rows inserted/updated/etc
The simple query protocol returns all columns as text (Erlang binaries)
and does not support binding parameters.

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