[SQL] Using INDEX on date/time values // Re: how to select a time frame on timestamp rows.

2001-01-13 Thread Alvar Freude
Hi, Peter Eisentraut schrieb: > > > today i was trying to perform a query on a database using a time stamp > > field, i need to get all records which belong to year 2000, month 11, [...] > select user_name from tbacct where extract(month from acct_timestamp) = 11 ... is there any way of u

[SQL] Re: how to select a time frame on timestamp rows.

2001-01-13 Thread bartschm
Peter Eisentraut wrote: Thanks Peter for the answer, so i assume i can also do select user_name from tbacct where extract(month from acct_timestamp) = 11 and extract(year from acct_timestamp) = 2000 ... > > [EMAIL PROTECTED] writes: > > > today i was trying to perform a query on a databa

Re: [SQL] how to select a time frame on timestamp rows.

2001-01-13 Thread Peter Eisentraut
[EMAIL PROTECTED] writes: > today i was trying to perform a query on a database using a time stamp > field, i need to get all records which belong to year 2000, month 11, > is there any other way to doit, or is this the pgsql way? , actually > i'm using a query like this: > select User_Nam

[SQL] how to select a time frame on timestamp rows.

2001-01-13 Thread bartschm
Hello, today i was trying to perform a query on a database using a time stamp field, i need to get all records which belong to year 2000, month 11, is there any other way to doit, or is this the pgsql way? , actually i'm using a query like this: select User_Name from tbacct where acct_tim

Re: [SQL] pl/pgsql Limits

2001-01-13 Thread Tom Lane
Jan Wieck <[EMAIL PROTECTED]> writes: >> As it is known that any funtion, written in pl/pgsql, can only >> retrun one tuple. I am just wondering it were true as well for function >> written in C language. I need to write few function that will retrun >> mulitiple rows satsifying a certain set of

Re: [SQL] pl/pgsql Limits

2001-01-13 Thread Jan Wieck
Najm Hashmi wrote: > Hi All, > As it is known that any funtion, written in pl/pgsql, can only > retrun one tuple. I am just wondering it were true as well for function > written in C language. I need to write few function that will retrun > mulitiple rows satsifying a certain set of conditi

Re: [SQL] new serial type

2001-01-13 Thread Kaare Rasmussen
Den lørdag 13. januar 2001 11:42 skrev Rolf Johansson: > Is there some function to change the serial type to, instead of reading > a next-value, read the maxium value in a column and then add x? If, for You can use setval(sequence, number) and MAX(number) in combination. -- Kaare Rasmussen