I'm using Retool, and trying to run a query where the column value comes from a drop-down list. The value output is a string, so my query looks like this:
select * from accounts where {{dropDownList.value}} ilike {{'%' + account_search_textInput.value + '%'}}
When the query runs, it is as follows:
select * from accounts where "first_name" ilike '%Adam%';
The double quotes around the column name first_name seem to be causing an issue but I don't think I can remove them. Is there any other way to successfully run the query where first_name can represent the column name rather than a string value?
I've a problem to in building a query for Python SQLite3 to do the following:
Count a word which appears in columns, if word appears more than 1 time count one.
I've attached a picture to illustrate my table format.
I tried this but the result still counts duplicate values with same ID.
"SELECT id, value, count(value) FROM table WHERE type like'%hi%' GROUP BY value ORDER BY COUNT(*)<1 DESC"
The result needs to be like:
Hi all you need can be achieved with GROUP BY clause.
This should help:
SELECT
id
,value
,1 AS cnt
FROM table
GROUP BY id, value
ORDER BY id
What you're looking for is DISTINCT clause or GROUP BY as mentioned by Peter.
for GROUP BY use this syntax:
SELECT
id
,value
,1 AS cnt
FROM table
GROUP BY id, value
for DISTINCT use this one:
SELECT DISTINCT
id
,value
,1 AS cnt
FROM table
Other similar questions deal these two problems separately, but I want to merge them in a single statement. I'm using Python3 with psycopg2 library on a PostgreSQL database.
I have a table with 3 fields: ID, name, bool (BIT)
I want to insert a row in this table only if does not exists an other row with same 'name' and 'bool' = 0 and the total count of rows with same ID is less than a given threshold.
More specific my table should contain at most a given threshold number of rows with same ID. Those rows can have the same 'name', but only one of those rows with same ID and same 'name' can have 'bool'= 0.
I tried with this:
INSERT INTO table
SELECT 12345, abcdf , 0 FROM table
WHERE NOT EXISTS(
SELECT * FROM table
WHERE ID = 12345 AND name = abcdf AND bool = 0)
HAVING (SELECT count(*) FROM table
WHERE ID = 12345) < threshold
RETURNING ID;
but the row is inserted anyway.
Then I tried the same statement replacing 'HAVING' with 'AND', but it insert all the threshold rows together.
In Sqlite we have table1 with column column1
there are 4 rows with following values for column1
(p1,p10,p11,p20)
DROP TABLE IF EXISTS table1;
CREATE TABLE table1(column1 NVARCHAR);
INSERT INTO table1 (column1) values ('p1'),('p10'),('p11'),('p20');
Select instr(',p112,p108,p124,p204,p11,p1124,p1,p10,p20,',','+column1+',') from table1;
We have to get the position of each value of column1 in the given string:
,p112,p108,p124,p204,p11,p1124,p1,p10,p20,
the query
Select instr(',p112,p108,p124,p204,p11,p1124,p1,p10,p20,',column1) from table1;
returns values
(2,7,2,17)
which is not what we want
the query
Select instr(',p112,p108,p124,p204,p11,p1124,p1,p10,p20,',','+column1+',') from table1;
returns 9 for all rows -
it turned out that it is the position of first "0" symbol ???
Howe we can get the exact positions of column1 in the given string in sqlite ??
In SQLite the concatenation operator is || and not + (like SQL Server), so do this:
Select instr(',p112,p108,p124,p204,p11,p1124,p1,p10,p20,',',' || column1 || ',') from table1;
What you did with your code was number addition which resulted to 0, because none of the string operands could succesfully be converted to number,
so instr() was searching for '0' and found it always at position 9 of the string:',p112,p108,p124,p204,p11,p1124,p1,p10,p20,'.
I'm trying to retrieve rows from a table where a subquery matches an variable. However, it seems as if the WHERE clause only lets me compare fields of the selected tables against a constant, variable or subquery.
I would expect to write something like this:
DATA(lv_expected_lines) = 5.
SELECT partner contract_account
INTO TABLE lt_bp_ca
FROM table1 AS tab1
WHERE lv_expected_lines = (
SELECT COUNT(*)
FROM table2
WHERE partner = tab1~partner
AND contract_account = tab1~contract_account ).
But obviously this select treats my local variable as a field name and it gives me the error "Unknown column name "lv_expected_lines" until runtime, you cannot specify a field list."
But in standard SQL this is perfectly possible:
SELECT PARTNER, CONTRACT_ACCOUNT
FROM TABLE1 AS TAB1
WHERE 5 = (
SELECT COUNT(*)
FROM TABLE2
WHERE PARTNER = TAB1.PARTNER
AND CONTRACT_ACCOUNT = TAB1.CONTRACT_ACCOUNT );
So how can I replicate this logic in RSQL / Open SQL?
If there's no way I'll probably just write native SQL and be done with it.
The program below might lead you to an Open SQL solution. It uses the SAP demo tables to determines the plane types that are used on a specific number of flights.
REPORT zgertest_sub_query.
DATA: lt_planetypes TYPE STANDARD TABLE OF s_planetpp.
PARAMETERS: p_numf TYPE i DEFAULT 62.
START-OF-SELECTION.
SELECT planetype
INTO TABLE lt_planetypes
FROM sflight
GROUP BY planetype
HAVING COUNT( * ) EQ p_numf.
LOOP AT lt_planetypes INTO DATA(planetype).
WRITE: / planetype.
ENDLOOP.
It only works if you don't need to read fields from TAB1. If you do you will have to gather these with other selects while looping at your results.
For those dudes who found this question in 2020 I report that this construction is supported since ABAP 7.50. No workarounds are needed:
SELECT kunnr, vkorg
FROM vbak AS v
WHERE 5 = ( SELECT COUNT(*)
FROM vbap
WHERE kunnr = v~kunnr
AND vkorg = v~vkorg )
INTO TABLE #DATA(customers).
This select all customers who made 5 sales orders within some sales organization.
In ABAP there is no way to do the query as in NATIVE SQL.
I would advice not to use NATIVE SQL, instead give a try to SELECT/ENDSELECT statement.
DATA: ls_table1 type table1,
lt_table1 type table of table1,
lv_count type i.
SELECT PARTNER, CONTRACT_ACCOUNT
INTO ls_table1
FROM TABLE1.
SELECT COUNT(*)
INTO lv_count
FROM TABLE2
WHERE PARTNER = TAB1.PARTNER
AND CONTRACT_ACCOUNT = TAB1.CONTRACT_ACCOUNT.
CHECK lv_count EQ 5.
APPEND ls_table1 TO lt_table1.
ENDSELECT
Here you append to ls_table1 only those rows where count is equals to 5 in selection of table2.
Hope it helps.