![]() ![]() Use this escape sequence in your SQL statements or the corresponding escape sequence in your programming language of choice to insert line breaks as needed. In conclusion, inserting line breaks in PostgreSQL when updating a text field is simple using the ‘\n’ escape sequence. Ask Question Asked 6 years, 5 months ago. This Python code uses the psycopg2 library to connect to a PostgreSQL database, create a cursor, execute an SQL statement to update a text field with two lines of text separated by the ‘\n’ escape sequence, commit the changes, and close the connection. The backslash has no special meaning in SQL, so ' ' is a backslash followed by the character n. HTML View Postgresql TextArea render line breaks or paragraphs -python flask. For example, in Python, you can use the ‘\n’ escape sequence like this: import psycopg2Ĭonn = nnect(database="mydb", user="myuser", password="mypassword", host="localhost", port="5432")Ĭur.execute("UPDATE table_name SET field_name = 'This is the first line.\nThis is the second line.' WHERE id = 1 ") The TRIM () function is very useful when we want to remove the unwanted characters from a string in the database. Note that a string can be any of the following data types: char, varchar, and text. If you are using a programming language to interact with your PostgreSQL database, you can also use the appropriate escape sequence for a newline character in that language. With the TRIM () function, you can remove the longest string containing a character from the start, end, or both the start and end of a string. The text being inserted contains two lines, separated by the ‘\n’ escape sequence. In this example, we are updating the ‘field_name’ column of the row with an ‘id’ of 1 in the ‘table_name’ table. SET field_name = 'This is the first line.\nThis is the second line.' Here is an example of how to do this: UPDATE table_name The query explained in the video is provided below -declare data nvarchar(100) set data 'This is line1.This is line2.This is line3.This is line4.' -set. ![]() This can be done using the escape sequence for a newline character, ‘\n’. When updating a text field in PostgreSQL, it is common to need to insert line breaks in the data. Insert line break in postgresql when updating text field ![]()
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