Converting Varchar To Float

Aug 22, 2007

Hi all,

I'm trying to update a table as follows:
Where in the table i got.
OldCol; a varchar
NewCol; Float


Update tbl set newCol = cast(float,oldcol)
Where isNumeric(oldcol) =1

But it give me the follwong error:
Error converting data type from Varchar to Float.

Any suggestion?

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Help With Error Converting Data Type Varchar To Float

Oct 17, 2007

Error converting data type varchar to float.


I am getting this error. Any one there to guide me

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Error Converting Data Type Varchar To Float.

Mar 25, 2008

hello anyone... i got this message "Error converting data type varchar to float" when i was trying to insert values into table using instead of trigger...

below is my table ClimateData

quote:USE [PVMC Database]
GO
/****** Object: Table [dbo].[ClimateData] Script Date: 03/26/2008 03:04:44 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
SET ANSI_PADDING ON
GO
CREATE TABLE [dbo].[ClimateData](
[Climate_application_id] [uniqueidentifier] NOT NULL CONSTRAINT [DF_ClimateData_Climate_application_id] DEFAULT (newid()),
[Latitude] [float] NULL,
[Longitude] [float] NULL,
[Altitude] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[Climate_type] [varchar](100) COLLATE Latin1_General_CI_AI NULL,
[PV_application_id] [uniqueidentifier] NULL,
CONSTRAINT [PK_ClimateData_1] PRIMARY KEY CLUSTERED
(
[Climate_application_id] ASC
)WITH (IGNORE_DUP_KEY = OFF) ON [PRIMARY]
) ON [PRIMARY]

GO
SET ANSI_PADDING OFF
GO
USE [PVMC Database]
GO
ALTER TABLE [dbo].[ClimateData] WITH CHECK ADD CONSTRAINT [FK_ClimateData_Photovoltaic] FOREIGN KEY([PV_application_id])
REFERENCES [dbo].[Photovoltaic] ([PV_application_id])
ON UPDATE CASCADE
ON DELETE CASCADE


Below is photovoltaic table

quote:USE [PVMC Database]
GO
/****** Object: Table [dbo].[Photovoltaic] Script Date: 03/26/2008 03:06:58 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
SET ANSI_PADDING ON
GO
CREATE TABLE [dbo].[Photovoltaic](
[PV_application_id] [uniqueidentifier] NOT NULL CONSTRAINT [DF_Photovoltaic_PV_application_id] DEFAULT (newid()),
[PV_site] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_state] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_type_of_system] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_nominal_power] [float] NULL,
[PV_module] [varchar](150) COLLATE Latin1_General_CI_AI NULL,
[PV_mounting] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_building_type] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_topology] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_new_or_retrofit] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_period_of_design] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_period_of_construction] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_commissioning_date] [datetime] NULL CONSTRAINT [DF_Photovoltaic_PV_commissioning_date] DEFAULT (getdate()),
[PV_site_photo] [varbinary](max) NULL,
[PV_peak_nominal_rating] [float] NULL,
[User_application_id] [uniqueidentifier] NULL,
[Org_application_id] [uniqueidentifier] NULL,
CONSTRAINT [PK_Photovoltaic_1] PRIMARY KEY CLUSTERED
(
[PV_application_id] ASC
)WITH (IGNORE_DUP_KEY = OFF) ON [PRIMARY]
) ON [PRIMARY]

GO
SET ANSI_PADDING OFF
GO
USE [PVMC Database]
GO
ALTER TABLE [dbo].[Photovoltaic] WITH CHECK ADD CONSTRAINT [FK_Photovoltaic_OrganizationDetail] FOREIGN KEY([Org_application_id])
REFERENCES [dbo].[OrganizationDetail] ([Org_application_id])
ON UPDATE CASCADE
ON DELETE CASCADE
GO
ALTER TABLE [dbo].[Photovoltaic] WITH CHECK ADD CONSTRAINT [FK_Photovoltaic_Users] FOREIGN KEY([User_application_id])
REFERENCES [dbo].[Users] ([User_application_id])
ON UPDATE CASCADE
ON DELETE CASCADE

Below also my command for instead of trigger


quote:set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
go


CREATE trigger [tr_v_PhotovoltaicClimateData] on [dbo].[v_PhotovoltaicClimateData] instead of insert as
BEGIN

insert Photovoltaic (PV_site, PV_state, PV_type_of_system, PV_nominal_power, PV_module,
PV_mounting)
select distinct inserted.PV_site, inserted.PV_state, inserted.PV_type_of_system,
inserted.PV_nominal_power, inserted.PV_module, inserted.PV_mounting
from inserted left join Photovoltaic on inserted.PV_site = Photovoltaic.PV_site
and inserted.PV_state = Photovoltaic.PV_state
and inserted.PV_type_of_system = Photovoltaic.PV_type_of_system
and inserted.PV_nominal_power = Photovoltaic.PV_nominal_power
and inserted.PV_nominal_power = Photovoltaic.PV_module
and inserted.PV_nominal_power = Photovoltaic.PV_mounting
where Photovoltaic.PV_site IS NULL /*** Exclude Organization Detail already in the table ***/

insert ClimateData (Latitude, Longitude, Altitude, Climate_type, PV_application_id)
select distinct inserted.Latitude, inserted.Longitude, inserted.Altitude, inserted.Climate_type,
Photovoltaic.PV_application_id
from inserted inner join Photovoltaic on inserted.PV_site = Photovoltaic.PV_site
left join ClimateData on inserted.Latitude = ClimateData.Latitude
and inserted.Longitude = ClimateData.Longitude
and inserted.Altitude = ClimateData.Altitude
and inserted.Climate_type = ClimateData.Climate_type
where ClimateData.Latitude IS NULL /*** Exclude Organization Types already in the table ***/

END -- trigger def




and finally, i hav tried using this command to insert into table v_PhotovoltaicClimateData.. this is the command to insert

quote:insert into v_PhotovoltaicClimateData(PV_site, PV_state, PV_type_of_system, PV_nominal_power,
PV_module, PV_mounting, Latitude, Longitude, Altitude, Climate_type)
values ('CETDEM', 'Sequ Inspection', 'Cheras', 34.44, 'ew', 'ewew',
34343.44, 323.32, 'ewew', 'ewewe')

and i got this error...

quote:Msg 8114, Level 16, State 5, Procedure tr_v_PhotovoltaicClimateData, Line 6
Error converting data type varchar to float.



so anyone... plzz help me...

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Error Converting Data Type Varchar To Float

Mar 28, 2008

Hello everyone... i have some problem with instead of trigger... after insert values into v_PhotovoltaicClimateData, i got this error, Msg 8114, Level 16, State 5, Procedure tr_v_PhotovoltaicClimateData, Line 6
Error converting data type varchar to float.

below is my DDL for Photovoltaic table

quote:CREATE TABLE [dbo].[Photovoltaic](
[PV_application_id] [uniqueidentifier] NOT NULL CONSTRAINT [DF_Photovoltaic_PV_application_id] DEFAULT (newid()),
[PV_site] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_state] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_type_of_system] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_nominal_power] [float] NULL,
[PV_module] [varchar](150) COLLATE Latin1_General_CI_AI NULL,
[PV_mounting] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_building_type] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_topology] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_new_or_retrofit] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_period_of_design] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_period_of_construction] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[PV_commissioning_date] [datetime] NULL CONSTRAINT [DF_Photovoltaic_PV_commissioning_date] DEFAULT (getdate()),
[PV_site_photo] [varbinary](max) NULL,
[PV_peak_nominal_rating] [float] NULL,
[User_application_id] [uniqueidentifier] NULL,
[Org_application_id] [uniqueidentifier] NULL,
CONSTRAINT [PK_Photovoltaic_1] PRIMARY KEY CLUSTERED
(
[PV_application_id] ASC
)WITH (IGNORE_DUP_KEY = OFF) ON [PRIMARY]
) ON [PRIMARY]

Below is my DDL for ClimateData table

quote:CREATE TABLE [dbo].[ClimateData](
[Climate_application_id] [uniqueidentifier] NOT NULL CONSTRAINT [DF_ClimateData_Climate_application_id] DEFAULT (newid()),
[Latitude] [float] NULL,
[Longitude] [float] NULL,
[Altitude] [varchar](50) COLLATE Latin1_General_CI_AI NULL,
[Climate_type] [varchar](100) COLLATE Latin1_General_CI_AI NULL,
[PV_application_id] [uniqueidentifier] NULL,
CONSTRAINT [PK_ClimateData_1] PRIMARY KEY CLUSTERED
(
[Climate_application_id] ASC
)WITH (IGNORE_DUP_KEY = OFF) ON [PRIMARY]
) ON [PRIMARY]



below is my v_PhotovoltaicClimateData

quote:CREATE VIEW [dbo].[v_PhotovoltaicClimateData]
AS
SELECT dbo.Photovoltaic.PV_site, dbo.Photovoltaic.PV_state, dbo.Photovoltaic.PV_type_of_system, dbo.Photovoltaic.PV_nominal_power,
dbo.Photovoltaic.PV_module, dbo.Photovoltaic.PV_mounting, dbo.ClimateData.Latitude, dbo.ClimateData.Longitude, dbo.ClimateData.Altitude,
dbo.ClimateData.Climate_type
FROM dbo.ClimateData INNER JOIN
dbo.Photovoltaic ON dbo.ClimateData.PV_application_id = dbo.Photovoltaic.PV_application_id

below is my instead of trigger command...

quote:CREATE trigger [tr_v_PhotovoltaicClimateData] on [dbo].[v_PhotovoltaicClimateData] instead of insert as
BEGIN

insert Photovoltaic (PV_site, PV_state, PV_type_of_system, PV_nominal_power, PV_module,
PV_mounting)
select distinct inserted.PV_site, inserted.PV_state, inserted.PV_type_of_system,
inserted.PV_nominal_power, inserted.PV_module, inserted.PV_mounting
from inserted left join Photovoltaic on inserted.PV_site = Photovoltaic.PV_site
and inserted.PV_state = Photovoltaic.PV_state
and inserted.PV_type_of_system = Photovoltaic.PV_type_of_system
and inserted.PV_nominal_power = Photovoltaic.PV_nominal_power
and inserted.PV_nominal_power = Photovoltaic.PV_module
and inserted.PV_nominal_power = Photovoltaic.PV_mounting
where Photovoltaic.PV_site IS NULL /*** Exclude Photovoltaic already in the table ***/

insert ClimateData (Latitude, Longitude, Altitude, Climate_type, PV_application_id)
select distinct inserted.Latitude, inserted.Longitude, inserted.Altitude, inserted.Climate_type,
Photovoltaic.PV_application_id
from inserted inner join Photovoltaic on inserted.PV_site = Photovoltaic.PV_site
left join ClimateData on inserted.Latitude = ClimateData.Latitude
and inserted.Longitude = ClimateData.Longitude
and inserted.Altitude = ClimateData.Altitude
and inserted.Climate_type = ClimateData.Climate_type
where ClimateData.Latitude IS NULL /*** Exclude Climate Data already in the table ***/

END -- trigger def

this is my commad insert values using instead of trigger that i've created...

quote:insert into v_PhotovoltaicClimateData(PV_site, PV_state, PV_type_of_system, PV_nominal_power,
PV_module, PV_mounting, Latitude, Longitude, Altitude, Climate_type)
values ('CETDEM', 'Sequ Inspection', 'Cheras', 34.44 , 'ew', 'ewew',
34343.44, 323.32, 'ewew', 'ewewe')

after execute this commad, i got this error..
quote:Msg 8114, Level 16, State 5, Procedure tr_v_PhotovoltaicClimateData, Line 6
Error converting data type varchar to float.

what should i do??? anyone help me.

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Syntax error converting the varchar value '3.1.7.4.3.9.' to a column of data type int...

how to overcome this problem ..



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Converting Int. To Varchar

Aug 20, 2007

I wrote a query that takes the field from one record and compares it to a different field in a different record. When I did it in access it worked. But I did a copie and paste into management studio and it is not working.

SELECT A.TRAN_ID, B.REFERENCE_DATA
FROM dbo.BSTRN_HEADER AS B LEFT OUTER JOIN
dbo.BSTRN_HEADER AS A ON B.REFERENCE_DATA LIKE A.TRAN_ID &'RECL'

I get the following error message:

Msg 245, Level 16, State 1, Line 1
Conversion failed when converting the varchar value 'RECL' to data type int.

So then I try:

SELECT A.TRAN_ID, B.REFERENCE_DATA
FROM dbo.BSTRN_HEADER AS B LEFT OUTER JOIN
dbo.BSTRN_HEADER AS A ON B.REFERENCE_DATA LIKE cast(A.TRAN_ID as varchar) & 'RECL'

I get the following error
Msg 402, Level 16, State 1, Line 1
The data types varchar and varchar are incompatible in the boolean AND operator.

Tran_id is an integer and reference data is a varchar and I need to convert tran_id to a Varchar

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