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| The Compression property gets and sets the data compression mode. |
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| The MmoPackMethod property sets the compression mode of a MMO file (containing text and binary memos) associated with a data file. |
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| The Compression property is used to manage data compression during a connection (HFSQL Client/Server, etc.) |
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| Usage example of the fCompress function |
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| Compresses a string or a memory block (buffer) in binary format. |
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| Changes the compression level used when creating an archive in ZIP format or in 7z format. |
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| Encryption and compression functions |
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| Usage example of the zipCurrentFile function |
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| Compresses the memory footprint occupied by a matrix. |
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| Returns the size of a file before compression. When a file is decompressed by fUncompress, we recommend that you to compare the non-compressed size of file with the available disk space. |
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| Saves the content of a pdfDocument variable in a ".PDF" file. |
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| Usage example of the zipAddFile function |
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| Returns the connection quality index. The higher the index, the faster the connection. |
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| Returns the quality level of the connection: the higher the level is, the faster the connection is. |
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| Saves the content of a pdfDocument variable in a ".PDF" file. |
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| Usage example of the MatStack function |
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| Checks that the given sequence is valid according to the Luhn formula. |
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| Generates an RSA private/public key pair. |
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| Calculates the next Luhn check digit for a given sequence. |
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| Decompresses a memory block (buffer) that was compressed by Compress. |
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| Encodes a character string according to the UUEncode algorithm. |
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| Decodes a character string in UUEncode format. |
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| Usage example of the zipExtractAll function |
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| Generates a random prime number that can be used to create shares using Shamir's algorithm. This number is generated according to the secret. This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 4. |
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Returns the size of one of the archive files (in CAB, RAR, WDZ, ZIP, 7z, gzip, TAR or TGZ (TAR.GZ) format):- the compressed size of the file.
- the size of file before compression.
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Returns the size of the archive (in ZIP, RAR, CAB, WDZ, 7z, gzip, TAR or TGZ (TAR.GZ) format):- the size of all compressed files found in the archive.
- the size of all files found in the archive before compression.
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| Usage example of the fSizeUncompressed function |
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| Reconstructs a secret from a set of shares. This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 4. |
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Returns the size of one of the archive files (in CAB, RAR, WDZ, ZIP, 7z, gzip, TAR or TGZ (TAR.GZ) format):- the compressed size of the file.
- the size of file before compression.
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| A frame is a packet of data that flows through the network... |
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| Usage example of the fStopCompress function |
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| Decrypts a string that was encrypted by Encrypt. |
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| Automatically adds and compresses a list of files into a ZIP, CAB, WDZ, 7z, TAR, gzip or TGZ (TAR.GZ) archive. |
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| Automatically adds and compresses any type of file into a CAB, ZIP, WDZ, 7z, TAR, gzip or TGZ (TAR.GZ) archive. |
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| The following functions are used to handle encryption and compression in prefix syntax: |
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| Usage example of the zipExtractFile function |
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| Archiving functions (ZIP, WDZ, CAB, RAR, 7z, TAR, gzip and TGZ (TAR.GZ)) |
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| Two tools can be used to create a setup program... |
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| Automatically adds and compresses any type of file into a CAB, ZIP, WDZ, 7z, TAR, gzip or TGZ (TAR.GZ) archive. |
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| Adds all the files found in a directory and in its subdirectories into an archive and compresses them. |
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| This help page explains how to... |
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| Returns information about one or more backups performed on an HFSQL Client/Server server. |
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| Adds all the files found in a directory and in its subdirectories into an archive and compresses them. |
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| Encrypts a string in binary format or in ASCII format. |
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| Returns information about one or more backups performed on an HFSQL Client/Server server. |
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| The hReindexingHistory type gets all the details of previous asynchronous optimizations: reindexing, index verification, memo verification, statistics, etc. This variable type is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2. |
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| WINDEV, WEBDEV and WINDEV Mobile propose several WLanguage functions allowing you to compress and merge your files into archives... |
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| The pdfParameter type defines all the characteristics of the PDF file to be generated. |
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| Automatically adds and compresses a list of files into a ZIP, CAB, WDZ, 7z, TAR, gzip or TGZ (TAR.GZ) archive. |
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| Encodes a character string or a buffer. To decode the result, simply use Decode. |
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| Encodes a character string or a buffer. To decode the result, simply use Decode. |
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| Decodes a character string that was encoded by Encode. |
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| Creates a set of shares for the same secret using Shamir's algorithm. This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 4. |
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| Decodes a character string that was encoded by Encode. |
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| Decompresses a file that was compressed by fCompress. |
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| Performs an asymmetric encryption of an envelope. |
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| Performs an asymmetric encryption of an envelope. |
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| WDZip is used to compress and group your files in archives... |
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| Defines the options for the generated PDF file. |
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| Archiving functions (ZIP, WDZ, CAB, RAR, 7z, TAR, gzip and TGZ (TAR.GZ)) |
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| List of constants used by the encryption/compression functions |
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| Decrypts a buffer with a private/public key algorithm with RSA encryption. |
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| Decrypts a buffer with a private/public key algorithm with RSA encryption. |
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Saves an image found in an Image variable:- in a JPEG file.
- in memory.
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| Plays a sound file (.WAV) for the specified line. |
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| WDLog allows you to save all the HFSQL data files used by a WINDEV or WEBDEV application... |
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| Enables a REST web service to immediately return a chunk of the response to the client (before the end of execution of the endpoint). This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 4. |
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| WINDEV, WINDEV Mobile and WEBDEV propose several functions used to handle matrices... |
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| Encrypts a buffer using an asymmetric encryption algorithm (RSA) that requires a public key and a private key. |
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The BottomMargin property is used to:- Find out the bottom margin of a report.
- Modify the bottom margin of a report.
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The TopMargin property is used to:- Find out the top margin of a report.
- Modify the top margin of a report.
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| Encrypts a buffer using an asymmetric encryption algorithm (RSA) that requires a public key and a private key. |
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| The zipArchive type is used to handle archive files in the following formats: ZIP, CAB, RAR, WDZ, 7z, TAR, gzip or TGZ (TAR.GZ). |
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The RightMargin property is used to:- Find out the right margin of a report.
- Modify the right margin of a report.
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The LeftMargin property is used to:- Find out the left margin of a report.
- Modify the left margin of a report.
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| The following functions are used to manage Drag and Drop: |
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| Returns or modifies the value of a parameter for the device camera. |
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| Returns or modifies the value of a parameter for the device camera. |
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| Decrypts a message that was encrypted with a symmetrical encryption algorithm (AES, DES, etc.). |
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| Usage example of the zipAddDirectory function |
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| Rebuilds the index of an HFSQL Client/Server data file (".NDX" file). This operation is asynchronous, i.e., it is performed on the server and does not block the client side. This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2. |
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| Rebuilds the index of an HFSQL Client/Server data file (".NDX" file). This operation is asynchronous, i.e., it is performed on the server and does not block the client side. This function is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 2. |
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| Usage example of the HTTPSendForm function |
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| The following functions are used to manage TreeView controls (prefix syntax):
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Allows:- save the document coming from the Twain device in a JPEG file.
- view the document coming from the Twain device in the user interface of device.
- save the document coming from the Twain device directly in memory in JPEG format (in a buffer).
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The setup wizard allows you to: - Select and configure the files to install. This step is very important.
- Specify the WINDEV framework used by the installer.
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| Saves the modifications performed on the Exif tags of an image by ImageInfoModify. |
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| The following functions are used to manage TreeView controls:
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| The Drag and Drop from the explorer consists in selecting one or more files in the Windows explorer and in transferring them into a control of a WINDEV window... |
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| WLanguage procedure ("Callback") used by zipAddFile to manage the progress of files being added to the archive. |
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| Two types of archives are available... |
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Saves an image:- in a JPEG file.
- in memory.
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| Encrypts a string or a binary buffer by using a symmetrical encryption algorithm (AES, DES, etc.) |
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| Encrypts a string or a binary buffer by using a symmetrical encryption algorithm (AES, DES, etc.) |
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| Rebuilds the file index (".NDX" file). |
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| Rebuilds the file index (".NDX" file). |
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| Drag and Drop is used to transfer data between several controls with the mouse. This data can be moved between several controls found in the same application or in different applications. |
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| WEBDEV 2026 is now available. |
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| Stops the operation used to compress or decompress a file. |
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| WINDEV allows you to automatically generate and install a 64-bit application. |
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Saves an image:- in a JPEG file.
- in memory.
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| WINDEV Mobile 2026 is now available. |
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| Returns the list of Exif tags available for the image used. |
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| The project description window allows you to configure various elements of your project... |
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| Usage example of the TwainState function |
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| List of constants used by the Exif functions. |
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| WINDEV 2026 is now available. |
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| This feature is used to signal that a data file cannot be modified after writing... |
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| Opens a connection to a specific database. |
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| Crosses a record in a data file. |
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| WDOptimizer includes multiple modes to optimize indexes... |
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| Returns the value of an Exif tag for the image used. |
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| Describes a new connection to an external database. |
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| Modifies the value of an Exif tag for the image used. |
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| In order for the application to be able to handle the data files found on the HFSQL server, the connection that will be used by the application must be defined in the project... |
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| The Bar Code control displays bar codes in your windows, pages or reports... |
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| The HFSQL Control Center allows you to optimize and repair HFSQL data files in both Classic and Client/Server modes... |
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| Crosses a record in a data file. |
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| Describes a data file programmatically. |
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| The OLE DB provider on HFSQL is used to access an HFSQL database (Classic or Client/Server) from an external software that manages the accesses by OLE DB... |
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| The TreeView control is a tree structure used to simplify the display of information that can be represented hierarchically... |
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| The hBackupDescription type is used to programmatically describe an HFSQL Client/Server backup. |
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| The Connection type is used to describe one or more connections to external databases (HFSQL Client/Server, Native Connector, etc, ... |
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| List of constants used by the print functions. |
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| WINDEV, WEBDEV and WINDEV Mobile allow you to manage the business rules... |
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| Project configurations allow you to adapt the same project to multiple "targets"... |
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| List of functions for handling external files |
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| Describes a data file programmatically. |
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| A Data Source variable is used to describe a temporary data source (query, view, alias, etc.). |
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| Prints a bar code (inside a rectangle). |
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| The Image type is used to define the advanced characteristics of an image. |
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| The BarCodes type is used to handle the information found in a bar code. |
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| This help page presents the main recommendations for optimizing the security and performance of an HFSQL Client/Server database according to the constraints and desired features... |
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| The use of bar codes to identify and manage products has become essential... |
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| New features in WINDEV/WEBDEV/WINDEV Mobile 28 presented in the New Features brochure. |
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| What's new in WINDEV/WEBDEV/WINDEV Mobile 2025 in the What's new 2025 brochure. |
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| List of various constants used by the constants WINDEV functions. |
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| The examples provided with WINDEV are intended to help you learn the features of WINDEV.
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| New features in WINDEV/WEBDEV/WINDEV Mobile 27 presented in the New Features brochure. |
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| What's new in WINDEV/WEBDEV/WINDEV Mobile 2025 in the What's new 2025 brochure. |
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| Value of constants for the Windows 32-bit API |
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| List of constants used by the HFSQL functions. |
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