Could not determine data type of parameter $1
Posted: Thu 30 Jan 2014 14:28
Hello,
Delphi 7
After upgrading to version 4.2.5, I encountered the error from title.
I have 2 tables in a master-detail, a provider and a clientdataset.
The script for the tables is:
When activated, clientdataset is querying a null record (for initialization purposes):
The error occur after the next query:
Thank you,
Radu B.
Delphi 7
After upgrading to version 4.2.5, I encountered the error from title.
I have 2 tables in a master-detail, a provider and a clientdataset.
The script for the tables is:
- CREATE TABLE dochd
(
docid integer NOT NULL,
docno character varying(19) NOT NULL,
docnoint character varying(25),
docdate integer NOT NULL DEFAULT 0,
CONSTRAINT pk_dochd PRIMARY KEY (docid)
)
WITH (
OIDS=FALSE
);
ALTER TABLE dochd
OWNER TO postgres;
CREATE TABLE dynadoccodelnk
(
codeid integer NOT NULL,
docid integer NOT NULL,
codevalue character varying(50) NOT NULL,
CONSTRAINT pk_dynadoccodelnk PRIMARY KEY (docid, codeid),
CONSTRAINT fk_dynadocc_r_dynacod_dochd FOREIGN KEY (docid)
REFERENCES dochd (docid) MATCH SIMPLE
ON UPDATE RESTRICT ON DELETE RESTRICT
)
WITH (
OIDS=FALSE
);
ALTER TABLE dynadoccodelnk
OWNER TO postgres;
CREATE INDEX r_dynacodelnk_doc_fk
ON dynadoccodelnk
USING btree
(docid);
Code: Select all
PgTable1.FilterSQL:=Input;
PgTable1.Open;
Result:=DataSetProvider1.Data;
Code: Select all
with ClientDataSet1 do begin
if Active then Close;
Data:=DataRequest('DOCID=-1');
Open;
end;
- SELECT * FROM dynadoccodelnk
WHERE ( docid IS NULL AND :docid IS NULL)
Thank you,
Radu B.