Pgtcl-ng is a Tcl extension that provides a Tcl interface to the PostgreSQL database management system, allowing Tcl scripts to execute SQL queries and manage database connections. It is a modernized version of the original Pgtcl package.
//github.com/sm-shaw/pgtclng/blob/master/INSTALL”>pgtclng/INSTALL instructions and SourceForge documentation. Prerequisites
PostgreSQL: An existing PostgreSQL installation with development libraries (libpq) and header files. Tcl: A Tcl installation. Build Tools: make, gcc (or similar), and tclConfig.sh. Installing pgtcl-ng on Unix/Linux Systems
Building from source is the standard method for Unix-like systems.
Download and Unpack:Download the latest pgtcl-ng source code and unpack it.
Configure the Build:Navigate to the source directory. The configuration script needs to know w
Option A (Recommended): If pg_config is in your PATH, just run: ./configure Use code with caution.
Option B (Custom Paths): If libraries are in custom locations, specify them:
./configure –with-postgres-include=/path/to/pg/include \ –with-postgres-lib=/path/to/pg/lib \ –with-tcl=/path/to/tclConfig.sh Use code with caution.
Compile and Install:Run the following commands to compile and install: make make install Use code with caution.
This will create a shared library (libpgtcl2.x.x.so) and install it into the Tcl package directory SourceForge docs. Verification:Open tclsh and try to load the package: package require Pgtcl Use code with caution. Installing pgtcl-ng on Windows Systems
Installing on Windows typically requires building using Tcl/MSVC or MinGW, as pre-built binaries are not always available for the latest version. Install Prerequisites: Ensure PostgreSQL is installed (via Enterprise DB link). Install a Tcl distribution (like ActiveTcl). Configure and Build (MinGW example): Open your build environment (e.g., MSYS2 or MinGW shell).
Run configure with paths similar to Unix, ensuring it recognizes your pg_config. Run make and make install.
Manual Installation (Alternative):If the make install does not place files in your Tcl lib directory, you must copy the generated .dll file and the pkgIndex.tcl file into a directory within your auto_path (e.g., C:\Tcl\lib\pgtcl2.x). Configuring and Using pgtcl-ng
Once installed, pgtcl-ng works by connecting to PostgreSQL via libpq. Loading the Package: package require Pgtcl Use code with caution. Connecting to a Database:
set conn [pg_connect -dbName mydatabase -user myuser -password mypass] Use code with caution. Executing Queries: set result [pg_exec \(conn "SELECTFROM mytable"] </code> Use code with caution. <strong>Handling Results:</strong></p> <p><code>set rows [pg_result \)result -numTuples] for {set i 0} {\(i < \)rows} {incr i} { puts [pg_result \(result -getTuple \)i] } pg_result \(result -clear pg_disconnect \)conn Use code with caution. If you’d like, I can: Help you locate the tclConfig.sh file. Provide a minimal sample script to test your connection. Explain how to handle specific SQL data types in Tcl.
Let me know how you’d like to proceed with the configuration. \x3c!–cqw1tb IxHind_9f/HugV6–> Saved time \x3c!–TgQPHd||[91,“Saved time”,false,false]–> \x3c!–TgQPHd||[92,“Clear”,false,false]–> \x3c!–TgQPHd||[94,“Helpful”,false,false]–> Comprehensive \x3c!–TgQPHd||[93,“Comprehensive”,false,false]–> \x3c!–TgQPHd||[95,“Other”,true,true]–> \x3c!–TgQPHd||[2,“Incorrect”,false,false]–> Inappropriate \x3c!–TgQPHd||[9,“Inappropriate”,false,false]–> Not working \x3c!–TgQPHd||[70,“Not working”,true,false]–> \x3c!–TgQPHd||[11,“Unhelpful”,false,false]–> \x3c!–TgQPHd||[1,“Other”,true,true]–>
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