search for: data_precision

Displaying 4 results from an estimated 4 matches for "data_precision".

2006 Jan 11
8
Oracle and Rails seems really slow.... In development
...reated_on", :datetime t.column "email", :string t.column "note", :text end And everything works fine, but in development, it has to run this query for each view select column_name, data_type, data_default, nullable, decode(data_type, ''NUMBER'', data_precision, ''VARCHAR2'', data_length, null) as length, decode(data_type, ''NUMBER'', data_scale, null) as scale from user_catalog cat, user_synonyms syn, all_tab_columns col where cat.table_name = ''USERS'' and syn.synonym_name (+)= cat.table_name and co...
2006 Feb 07
5
OCI adapter slowdown on dictionary access
Hi, after some experience with Rails on MySQL databases I gave it a try on one of our larger Oracle database. I was facing a problem when Rails tried to detect the columns for a model/table. The appropriate statement ran about 1 min which led to a timeout. Our Oracle guru told me to analyze the SYSTEM schema. After that hadn''t helped, he said the only remaining chance is to use a
2006 Mar 23
11
ActiveRecord: Oracle metadata loading slow on large database
...ciency in oci_adapter.rb. The problem seems to be the SQL being generated to lazy-load the columns metadata. "def columns(table_name, name = nil)" method generates the following SQL: select column_name, data_type, data_default, nullable, decode(data_type, ''NUMBER'', data_precision, ''VARCHAR2'', data_length, null) as length, decode(data_type, ''NUMBER'', data_scale, null) as scale from user_catalog cat, user_synonyms syn, all_tab_columns col where cat.table_name = ''#{NAME_OF_TABLE}'' and syn.synonym_name (+)= cat.table_n...
2006 Jan 04
3
Legacy Table works-except edit?
Greetings, I''m trying to put a Rails face on a Legacy Oracle 10 table. I am currently setting the table_name and primary_key, and I get the list and show to work fine. However, when I hit edit I just get the Editing <table name>, Edit button, Show, and Back. None of the fields are rendered. Why would I be able to show these fields in the show and list, but not edit them in the