id stringlengths 16 145 | text stringlengths 1 179k | title stringclasses 1
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Bind_variables_Managing_Transactions/dpy-3002-python-value-of-type-int64-is-not-supported-i-need-to-combine-my-co9_59_0.txt | cx_Oracle.NotSupportedError: Python value of type NAType not supported
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Bind_variables_Managing_Transactions/7454351_51_0.txt | Re: Optimized way to read variable length csv file
Posted 06-04-2021 01:16 AM (3841 views) | In reply to hhh123 | |
Bind_variables_Managing_Transactions/how-to-convert-string-from-csv-to-hoursminutes4_33_0.txt | ## 1 Answer 1
Sorted by: Reset to default | |
Bind_variables_Managing_Transactions/dpy-3002-python-value-of-type-int64-is-not-supported-i-need-to-combine-my-co9_56_0.txt | #### Related
0 | |
Bind_variables_Managing_Transactions/Managing_Transactions_2_0.txt | ## 9.2. Explicit Transactions
The method [ ` Connection.begin() `
](../api_manual/connection.html#Connection.begin "Connection.begin") can be
used to explicitly start a local or global transaction.
Without parameters, this explicitly begins a local transaction; otherwise,
this explicitly begins a distributed (g... | |
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Bind_variables_Managing_Transactions/7454351_40_0.txt | ballardw
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I have the below code which I use cx_oracle to pull from data base and pass
variable from a csv file. the variable 'unitid' does have dtype is int64 but I
tried multiple conversions and non worked. | |
Bind_variables_Managing_Transactions/dpy-3002-python-value-of-type-int64-is-not-supported-i-need-to-combine-my-co9_36_0.txt | answered Apr 19 at 20:34
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Bind_variables_Managing_Transactions/how-to-convert-string-from-csv-to-hoursminutes4_10_0.txt | 8. Discussions
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Bind_variables_Managing_Transactions/how-to-convert-string-from-csv-to-hoursminutes4_31_0.txt | Consider including the applicable code and related diagnostic information with
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Bind_variables_Managing_Transactions/Managing_Transactions_1_0.txt | ## 9.1. Autocommitting
An alternative way to commit is to set the attribute [ ` autocommit `
](../api_manual/connection.html#Connection.autocommit "Connection.autocommit")
of the connection to ` True ` . This ensures all [ DML
](sql_execution.html#dml) statements (INSERT, UPDATE, and so on) are committed
as the... | |
Bind_variables_Managing_Transactions/Bind_variables_4_0.txt | ## 7.4. Binding ROWID Values
The pseudo-column ` ROWID ` uniquely identifies a row in a table. In python-
oracledb, ROWID values are represented as strings. The example below shows
fetching a row and then updating that row by binding its rowid:
# fetch the row
cursor.execute("""
se... | |
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Bind_variables_Managing_Transactions/dpy-3002-python-value-of-type-int64-is-not-supported-i-need-to-combine-my-co9_64_0.txt | * After a few years away from school, inactive students may need to reapply for admission. Why?
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Bind_variables_Managing_Transactions/how-to-convert-string-from-csv-to-hoursminutes4_18_0.txt | Learn more about Labs
# How to convert string from csv to hour(s):minute(s)? | |
Bind_variables_Managing_Transactions/1437166-very-large-csv-file0_39_0.txt | Originally posted by Clyde Schechter View Post
Well, I'm not convinced that breaking the data into subsets and then combining
the descriptive statistics is really the best way to go here. I think the time
it will take you to code the re-combination of the descriptive statistics (and
the risk of doing it incorrectly)... | |
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Bind_variables_Managing_Transactions/how-to-convert-string-from-csv-to-hoursminutes4_21_0.txt | 0
This link shows my csv file and graph. | |
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Bind_variables_Managing_Transactions/7454351_42_0.txt | Re: Optimized way to read variable length csv file
Posted 06-03-2021 10:58 AM (3877 views) | In reply to hhh123 | |
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Bind_variables_Managing_Transactions/how-to-convert-string-from-csv-to-hoursminutes4_63_0.txt | 1
Should I use a unique constraint in a table even though it isn't necessarily
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Bind_variables_Managing_Transactions/7454351_59_0.txt | Discussion stats
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Bind_variables_Managing_Transactions/Bind_variables_1_0.txt | ## 7.1. Binding by Name or Position
Binding can be done “by name” or “by position”.
### 7.1.1. Bind by Name
A named bind is performed when the bind variables in the Python statement use
the names of placeholders in the SQL or PL/SQL statement. For example:
cursor.execute("""
inse... | |
Bind_variables_Managing_Transactions/dpy-3002-python-value-of-type-int64-is-not-supported-i-need-to-combine-my-co9_58_0.txt | cx_Oracle.NotSupportedError: Python value of type pyodbc.Row not supported
2 | |
Bind_variables_Managing_Transactions/dpy-3002-python-value-of-type-int64-is-not-supported-i-need-to-combine-my-co9_29_0.txt | – Christopher Jones
Apr 21 at 23:44 | |
Bind_variables_Managing_Transactions/7454351_43_0.txt | > * * *
>
> @hhh123 wrote:
> ##- This is not a static file and column name and width can change in each
> run. Due to this usecase I have previously used PROC IMPORT to read the
> file.-##
>
> * * *
When I see a statement that "column name and width" can change I suggest
approaching the source of the file ... | |
Bind_variables_Managing_Transactions/how-to-convert-string-from-csv-to-hoursminutes4_47_0.txt | Draft discarded
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Bind_variables_Managing_Transactions/7454351_14_0.txt | So is there any optimal way to handle this situation which reduces the time to
read and does not consume lot of memory?
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Bind_variables_Managing_Transactions/1437166-very-large-csv-file0_27_0.txt | Last edited by Leonardo Guizzetti ; 02 Apr 2018, 12:48 . Reason: fixed
grammar
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Bind_variables_Managing_Transactions/how-to-convert-string-from-csv-to-hoursminutes4_59_0.txt | * The [connect] tag is being burninated
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Bind_variables_Managing_Transactions/1437166-very-large-csv-file0_19_0.txt |
capture program drop save_one_chunk
program define save_one_chunk
local chunk_num = chunk[1]
drop chunk
save chunk_`chunk_num', replace
exit
end
import delimited my_big_csv_file.csv, clear
gen int chunk = ceil(_n/10000000)
runby save_one_chunk, by(ch... | |
Bind_variables_Managing_Transactions/how-to-convert-string-from-csv-to-hoursminutes4_23_0.txt | Either the data could no be shown on y axis because it did not represent
number like variable to plot or I've got not proper representation of the
data.
I was trying to create something like converting seconds to calculate with
divmod than put them on the top of the bars with annonate. | |
Bind_variables_Managing_Transactions/7454351_16_0.txt | Tom
Super User | |
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Bind_variables_Managing_Transactions/dpy-3002-python-value-of-type-int64-is-not-supported-i-need-to-combine-my-co9_38_0.txt | ## Your Answer
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Bind_variables_Managing_Transactions/1437166-very-large-csv-file0_23_0.txt | 02 Apr 2018, 12:39
Even with Stata/IC, you can have ~2 billion observations so I don't see a
technical reason preventing Stata from analyzing the data altogether, per se.
I have not tried to import such a large file into Stata, so I tested the
scenario with dummy data to see if the import facility would have issues. M... | |
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Bind_variables_Managing_Transactions/how-to-convert-string-from-csv-to-hoursminutes4_61_0.txt | 8
SQL Server unique constraint (but only sometimes) | |
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Bind_variables_Managing_Transactions/how-to-convert-string-from-csv-to-hoursminutes4_67_0.txt | 0
Having duplicate records on a Database, is always wrong? | |
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Bind_variables_Managing_Transactions/1437166-very-large-csv-file0_17_0.txt | #2
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Bind_variables_Managing_Transactions/1437166-very-large-csv-file0_26_0.txt |
drop _all
import delimited id x using test.csv
On my reasonably fast machine, this took a few minutes to read in all data. So
that shows there s no issue with importing a large file.
Summary statistics (and other commands) would then be used as normal, though
given the size of the dataset, I expe... | |
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Bind_variables_Managing_Transactions/how-to-convert-string-from-csv-to-hoursminutes4_20_0.txt | Modified 1 year, 3 months ago
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Bind_variables_Managing_Transactions/1437166-very-large-csv-file0_34_0.txt |
drop _all
import delimited id x using test.csv
On my reasonably fast machine, this took a few minutes to read in all data. So
that shows there s no issue with importing a large file.
Summary statistics (and other commands) would then be used as normal, though
given the size of the dataset, I expe... | |
Bind_variables_Managing_Transactions/how-to-convert-string-from-csv-to-hoursminutes4_51_0.txt | Email
Required, but never shown | |
Bind_variables_Managing_Transactions/1437166-very-large-csv-file0_24_0.txt | Code:
set obs 58000000
gen id = _n
gen x = rnormal(0, 1)
export delimited test.csv | |
Bind_variables_Managing_Transactions/7454351_20_0.txt |
data _null_;
infile &var_fref obs=1 ;
input;
call symputx('varlist',translate(_infile_,' ',"&delimiter"));
run;
data &wrk_table. (compress=yes) ;
length MEMBDER_ID $32 &varlist $255 ;
infile &var_fref dsd dlm = "&delimiter" truncover firstobs=2 ;
input &var... | |
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Bind_variables_Managing_Transactions/1437166-very-large-csv-file0_38_0.txt | #5
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Bind_variables_Managing_Transactions/Bind_variables_0_1.txt | Variables
SQL and PL/SQL statements that pass data to and from Oracle Database should
use placeholders in SQL and PL/SQL statements that mark where data is supplied
or returned. A bind variable placeholder is a colon-prefixed identifier or
numeral. For example, ` :dept_id ` and ` :dept_name ` are the two bind
var... | |
Bind_variables_Managing_Transactions/dpy-3002-python-value-of-type-int64-is-not-supported-i-need-to-combine-my-co9_27_0.txt | arsham vosoughinia arsham vosoughinia
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Bind_variables_Managing_Transactions/Bind_variables_5_0.txt | ## 7.5. Binding UROWID Values
Universal rowids (UROWID) are used to uniquely identify rows in index
organized tables. In python-oracledb, UROWID values are represented as
strings. The example below shows fetching a row from index organized table `
universal_rowids ` and then updating that row by binding its urow... | |
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Bind_variables_Managing_Transactions/1437166-very-large-csv-file0_14_0.txt | 02 Apr 2018, 11:17
Good afternoon,
I am new STATA use and working with a very large .csv file (58 million
observations and 24 variables). I am trying to figure out the best way to
analyze this data. The statistics that I am looking for from this dataset are
not complicated (primarily just summary statistics). I w... | |
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